var Pos = CodeMirror.Pos;
CodeMirror.Vim.suppressErrorLogging = true;

var code =
  '' +
  ' wOrd1 (#%\n' +
  ' word3] \n' +
  'aopop pop 0 1 2 3 4\n' +
  ' (a) [b] {c} \n' +
  'int getchar(void) {\n' +
  '  static char buf[BUFSIZ];\n' +
  '  static char *bufp = buf;\n' +
  '  if (n == 0) {  /* buffer is empty */\n' +
  '    n = read(0, buf, sizeof buf);\n' +
  '    bufp = buf;\n' +
  '  }\n' +
  '\n' +
  '  return (--n >= 0) ? (unsigned char) *bufp++ : EOF;\n' +
  ' \n' +
  '}\n';

var lines = (function() {
  lineText = code.split('\n');
  var ret = [];
  for (var i = 0; i < lineText.length; i++) {
    ret[i] = {
      line: i,
      length: lineText[i].length,
      lineText: lineText[i],
      textStart: /^\s*/.exec(lineText[i])[0].length,
    };
  }
  return ret;
})();
var endOfDocument = makeCursor(
  lines.length - 1,
  lines[lines.length - 1].length,
);
var wordLine = lines[0];
var bigWordLine = lines[1];
var charLine = lines[2];
var bracesLine = lines[3];
var seekBraceLine = lines[4];

var word1 = {
  start: new Pos(wordLine.line, 1),
  end: new Pos(wordLine.line, 5),
};
var word2 = {
  start: new Pos(wordLine.line, word1.end.ch + 2),
  end: new Pos(wordLine.line, word1.end.ch + 4),
};
var word3 = {
  start: new Pos(bigWordLine.line, 1),
  end: new Pos(bigWordLine.line, 5),
};
var bigWord1 = word1;
var bigWord2 = word2;
var bigWord3 = {
  start: new Pos(bigWordLine.line, 1),
  end: new Pos(bigWordLine.line, 7),
};
var bigWord4 = {
  start: new Pos(bigWordLine.line, bigWord1.end.ch + 3),
  end: new Pos(bigWordLine.line, bigWord1.end.ch + 7),
};

var oChars = [
  new Pos(charLine.line, 1),
  new Pos(charLine.line, 3),
  new Pos(charLine.line, 7),
];
var pChars = [
  new Pos(charLine.line, 2),
  new Pos(charLine.line, 4),
  new Pos(charLine.line, 6),
  new Pos(charLine.line, 8),
];
var numChars = [
  new Pos(charLine.line, 10),
  new Pos(charLine.line, 12),
  new Pos(charLine.line, 14),
  new Pos(charLine.line, 16),
  new Pos(charLine.line, 18),
];
var parens1 = {
  start: new Pos(bracesLine.line, 1),
  end: new Pos(bracesLine.line, 3),
};
var squares1 = {
  start: new Pos(bracesLine.line, 5),
  end: new Pos(bracesLine.line, 7),
};
var curlys1 = {
  start: new Pos(bracesLine.line, 9),
  end: new Pos(bracesLine.line, 11),
};
var seekOutside = {
  start: new Pos(seekBraceLine.line, 1),
  end: new Pos(seekBraceLine.line, 16),
};
var seekInside = {
  start: new Pos(seekBraceLine.line, 14),
  end: new Pos(seekBraceLine.line, 11),
};

function copyCursor(cur) {
  return new Pos(cur.line, cur.ch);
}

function forEach(arr, func) {
  for (var i = 0; i < arr.length; i++) {
    func(arr[i], i, arr);
  }
}

function testVim(name, run, opts, expectedFail) {
  var vimOpts = {
    lineNumbers: true,
    vimMode: true,
    showCursorWhenSelecting: true,
    value: code,
  };
  for (var prop in opts) {
    if (opts.hasOwnProperty(prop)) {
      vimOpts[prop] = opts[prop];
    }
  }
  return test(
    'vim_' + name,
    function() {
      var place = document.getElementById('testground');
      var cm = CodeMirror(place, vimOpts);
      var vim = CodeMirror.Vim.maybeInitVimState_(cm);

      function doKeysFn(cm) {
        return function(args) {
          if (args instanceof Array) {
            arguments = args;
          }
          for (var i = 0; i < arguments.length; i++) {
            var result = CodeMirror.Vim.handleKey(cm, arguments[i]);
            if (!result && cm.state.vim.insertMode) {
              cm.replaceSelections(
                fillArray(arguments[i], cm.listSelections().length),
              );
            }
          }
        };
      }
      function doInsertModeKeysFn(cm) {
        return function(args) {
          if (args instanceof Array) {
            arguments = args;
          }
          function executeHandler(handler) {
            if (typeof handler == 'string') {
              CodeMirror.commands[handler](cm);
            } else {
              handler(cm);
            }
            return true;
          }
          for (var i = 0; i < arguments.length; i++) {
            var key = arguments[i];
            // Find key in keymap and handle.
            var handled = CodeMirror.lookupKey(
              key,
              cm.getOption('keyMap'),
              executeHandler,
              cm,
            );
            // Record for insert mode.
            if (
              handled == 'handled' &&
              cm.state.vim.insertMode &&
              arguments[i] != 'Esc'
            ) {
              var lastChange = CodeMirror.Vim.getVimGlobalState_()
                .macroModeState.lastInsertModeChanges;
              if (
                lastChange &&
                (key.indexOf('Delete') != -1 || key.indexOf('Backspace') != -1)
              ) {
                lastChange.changes.push(new CodeMirror.Vim.InsertModeKey(key));
              }
            }
          }
        };
      }
      function doExFn(cm) {
        return function(command) {
          cm.openDialog = helpers.fakeOpenDialog(command);
          helpers.doKeys(':');
        };
      }
      function assertCursorAtFn(cm) {
        return function(line, ch) {
          var pos;
          if (ch == null && typeof line.line == 'number') {
            pos = line;
          } else {
            pos = makeCursor(line, ch);
          }
          eqCursorPos(cm.getCursor(), pos);
        };
      }
      function fakeOpenDialog(result) {
        return function(text, callback) {
          return callback(result);
        };
      }
      function fakeOpenNotification(matcher) {
        return function(text) {
          matcher(text);
        };
      }
      var helpers = {
        doKeys: doKeysFn(cm),
        // Warning: Only emulates keymap events, not character insertions. Use
        // replaceRange to simulate character insertions.
        // Keys are in CodeMirror format, NOT vim format.
        doInsertModeKeys: doInsertModeKeysFn(cm),
        doEx: doExFn(cm),
        assertCursorAt: assertCursorAtFn(cm),
        fakeOpenDialog: fakeOpenDialog,
        fakeOpenNotification: fakeOpenNotification,
        getRegisterController: function() {
          return CodeMirror.Vim.getRegisterController();
        },
      };
      CodeMirror.Vim.resetVimGlobalState_();
      var successful = false;
      var savedOpenNotification = cm.openNotification;
      var savedOpenDialog = cm.openDialog;
      try {
        run(cm, vim, helpers);
        successful = true;
      } finally {
        cm.openNotification = savedOpenNotification;
        cm.openDialog = savedOpenDialog;
        if (!successful || verbose) {
          place.style.visibility = 'visible';
        } else {
          place.removeChild(cm.getWrapperElement());
        }
      }
    },
    expectedFail,
  );
}
testVim(
  'qq@q',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'q', 'l', 'l', 'q');
    helpers.assertCursorAt(0, 2);
    helpers.doKeys('@', 'q');
    helpers.assertCursorAt(0, 4);
  },
  { value: '            ' },
);
testVim(
  '@@',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'q', 'l', 'l', 'q');
    helpers.assertCursorAt(0, 2);
    helpers.doKeys('@', 'q');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('@', '@');
    helpers.assertCursorAt(0, 6);
  },
  { value: '            ' },
);
var jumplistScene =
  '' +
  'word\n' +
  '(word)\n' +
  '{word\n' +
  'word.\n' +
  '\n' +
  'word search\n' +
  '}word\n' +
  'word\n' +
  'word\n';
function testJumplist(name, keys, endPos, startPos, dialog) {
  endPos = makeCursor(endPos[0], endPos[1]);
  startPos = makeCursor(startPos[0], startPos[1]);
  testVim(
    name,
    function(cm, vim, helpers) {
      CodeMirror.Vim.resetVimGlobalState_();
      if (dialog) cm.openDialog = helpers.fakeOpenDialog('word');
      cm.setCursor(startPos);
      helpers.doKeys.apply(null, keys);
      helpers.assertCursorAt(endPos);
    },
    { value: jumplistScene },
  );
}
testJumplist('jumplist_H', ['H', '<C-o>'], [5, 2], [5, 2]);
testJumplist('jumplist_M', ['M', '<C-o>'], [2, 2], [2, 2]);
testJumplist('jumplist_L', ['L', '<C-o>'], [2, 2], [2, 2]);
testJumplist('jumplist_[[', ['[', '[', '<C-o>'], [5, 2], [5, 2]);
testJumplist('jumplist_]]', [']', ']', '<C-o>'], [2, 2], [2, 2]);
testJumplist('jumplist_G', ['G', '<C-o>'], [5, 2], [5, 2]);
testJumplist('jumplist_gg', ['g', 'g', '<C-o>'], [5, 2], [5, 2]);
testJumplist('jumplist_%', ['%', '<C-o>'], [1, 5], [1, 5]);
testJumplist('jumplist_{', ['{', '<C-o>'], [1, 5], [1, 5]);
testJumplist('jumplist_}', ['}', '<C-o>'], [1, 5], [1, 5]);
testJumplist(
  "jumplist_'",
  ['m', 'a', 'h', "'", 'a', 'h', '<C-i>'],
  [1, 0],
  [1, 5],
);
testJumplist(
  'jumplist_`',
  ['m', 'a', 'h', '`', 'a', 'h', '<C-i>'],
  [1, 5],
  [1, 5],
);
testJumplist('jumplist_*_cachedCursor', ['*', '<C-o>'], [1, 3], [1, 3]);
testJumplist('jumplist_#_cachedCursor', ['#', '<C-o>'], [1, 3], [1, 3]);
testJumplist('jumplist_n', ['#', 'n', '<C-o>'], [1, 1], [2, 3]);
testJumplist('jumplist_N', ['#', 'N', '<C-o>'], [1, 1], [2, 3]);
testJumplist(
  'jumplist_repeat_<c-o>',
  ['*', '*', '*', '3', '<C-o>'],
  [2, 3],
  [2, 3],
);
testJumplist(
  'jumplist_repeat_<c-i>',
  ['*', '*', '*', '3', '<C-o>', '2', '<C-i>'],
  [5, 0],
  [2, 3],
);
testJumplist('jumplist_repeated_motion', ['3', '*', '<C-o>'], [2, 3], [2, 3]);
testJumplist('jumplist_/', ['/', '<C-o>'], [2, 3], [2, 3], 'dialog');
testJumplist('jumplist_?', ['?', '<C-o>'], [2, 3], [2, 3], 'dialog');
testJumplist(
  'jumplist_skip_deleted_mark<c-o>',
  ['*', 'n', 'n', 'k', 'd', 'k', '<C-o>', '<C-o>', '<C-o>'],
  [0, 2],
  [0, 2],
);
testJumplist(
  'jumplist_skip_deleted_mark<c-i>',
  ['*', 'n', 'n', 'k', 'd', 'k', '<C-o>', '<C-i>', '<C-i>'],
  [1, 0],
  [0, 2],
);

/**
 * @param name Name of the test
 * @param keys An array of keys or a string with a single key to simulate.
 * @param endPos The expected end position of the cursor.
 * @param startPos The position the cursor should start at, defaults to 0, 0.
 */
function testMotion(name, keys, endPos, startPos) {
  testVim(name, function(cm, vim, helpers) {
    if (!startPos) {
      startPos = new Pos(0, 0);
    }
    cm.setCursor(startPos);
    helpers.doKeys(keys);
    helpers.assertCursorAt(endPos);
  });
}

function makeCursor(line, ch) {
  return new Pos(line, ch);
}

function offsetCursor(cur, offsetLine, offsetCh) {
  return new Pos(cur.line + offsetLine, cur.ch + offsetCh);
}

// Motion tests
testMotion('|', '|', makeCursor(0, 0), makeCursor(0, 4));
testMotion('|_repeat', ['3', '|'], makeCursor(0, 2), makeCursor(0, 4));
testMotion('h', 'h', makeCursor(0, 0), word1.start);
testMotion('h_repeat', ['3', 'h'], offsetCursor(word1.end, 0, -3), word1.end);
testMotion('l', 'l', makeCursor(0, 1));
testMotion('l_repeat', ['2', 'l'], makeCursor(0, 2));
testMotion('j', 'j', offsetCursor(word1.end, 1, 0), word1.end);
testMotion('j_repeat', ['2', 'j'], offsetCursor(word1.end, 2, 0), word1.end);
testMotion('j_repeat_clip', ['1000', 'j'], endOfDocument);
testMotion('k', 'k', offsetCursor(word3.end, -1, 0), word3.end);
testMotion('k_repeat', ['2', 'k'], makeCursor(0, 4), makeCursor(2, 4));
testMotion('k_repeat_clip', ['1000', 'k'], makeCursor(0, 4), makeCursor(2, 4));
testMotion('w', 'w', word1.start);
testMotion(
  'w_multiple_newlines_no_space',
  'w',
  makeCursor(12, 2),
  makeCursor(11, 2),
);
testMotion(
  'w_multiple_newlines_with_space',
  'w',
  makeCursor(14, 0),
  makeCursor(12, 51),
);
testMotion('w_repeat', ['2', 'w'], word2.start);
testMotion('w_wrap', ['w'], word3.start, word2.start);
testMotion('w_endOfDocument', 'w', endOfDocument, endOfDocument);
testMotion('w_start_to_end', ['1000', 'w'], endOfDocument, makeCursor(0, 0));
testMotion('W', 'W', bigWord1.start);
testMotion('W_repeat', ['2', 'W'], bigWord3.start, bigWord1.start);
testMotion('e', 'e', word1.end);
testMotion('e_repeat', ['2', 'e'], word2.end);
testMotion('e_wrap', 'e', word3.end, word2.end);
testMotion('e_endOfDocument', 'e', endOfDocument, endOfDocument);
testMotion('e_start_to_end', ['1000', 'e'], endOfDocument, makeCursor(0, 0));
testMotion('b', 'b', word3.start, word3.end);
testMotion('b_repeat', ['2', 'b'], word2.start, word3.end);
testMotion('b_wrap', 'b', word2.start, word3.start);
testMotion('b_startOfDocument', 'b', makeCursor(0, 0), makeCursor(0, 0));
testMotion('b_end_to_start', ['1000', 'b'], makeCursor(0, 0), endOfDocument);
testMotion('ge', ['g', 'e'], word2.end, word3.end);
testMotion('ge_repeat', ['2', 'g', 'e'], word1.end, word3.start);
testMotion('ge_wrap', ['g', 'e'], word2.end, word3.start);
testMotion(
  'ge_startOfDocument',
  ['g', 'e'],
  makeCursor(0, 0),
  makeCursor(0, 0),
);
testMotion(
  'ge_end_to_start',
  ['1000', 'g', 'e'],
  makeCursor(0, 0),
  endOfDocument,
);
testMotion(
  'gg',
  ['g', 'g'],
  makeCursor(lines[0].line, lines[0].textStart),
  makeCursor(3, 1),
);
testMotion(
  'gg_repeat',
  ['3', 'g', 'g'],
  makeCursor(lines[2].line, lines[2].textStart),
);
testMotion(
  'G',
  'G',
  makeCursor(lines[lines.length - 1].line, lines[lines.length - 1].textStart),
  makeCursor(3, 1),
);
testMotion(
  'G_repeat',
  ['3', 'G'],
  makeCursor(lines[2].line, lines[2].textStart),
);
// TODO: Make the test code long enough to test Ctrl-F and Ctrl-B.
testMotion('0', '0', makeCursor(0, 0), makeCursor(0, 8));
testMotion('^', '^', makeCursor(0, lines[0].textStart), makeCursor(0, 8));
testMotion('+', '+', makeCursor(1, lines[1].textStart), makeCursor(0, 8));
testMotion('-', '-', makeCursor(0, lines[0].textStart), makeCursor(1, 4));
testMotion(
  '_',
  ['6', '_'],
  makeCursor(5, lines[5].textStart),
  makeCursor(0, 8),
);
testMotion('$', '$', makeCursor(0, lines[0].length - 1), makeCursor(0, 1));
testMotion(
  '$_repeat',
  ['2', '$'],
  makeCursor(1, lines[1].length - 1),
  makeCursor(0, 3),
);
testMotion('f', ['f', 'p'], pChars[0], makeCursor(charLine.line, 0));
testMotion('f_repeat', ['2', 'f', 'p'], pChars[2], pChars[0]);
testMotion('f_num', ['f', '2'], numChars[2], makeCursor(charLine.line, 0));
testMotion(
  't',
  ['t', 'p'],
  offsetCursor(pChars[0], 0, -1),
  makeCursor(charLine.line, 0),
);
testMotion(
  't_repeat',
  ['2', 't', 'p'],
  offsetCursor(pChars[2], 0, -1),
  pChars[0],
);
testMotion('F', ['F', 'p'], pChars[0], pChars[1]);
testMotion('F_repeat', ['2', 'F', 'p'], pChars[0], pChars[2]);
testMotion('T', ['T', 'p'], offsetCursor(pChars[0], 0, 1), pChars[1]);
testMotion(
  'T_repeat',
  ['2', 'T', 'p'],
  offsetCursor(pChars[0], 0, 1),
  pChars[2],
);
testMotion('%_parens', ['%'], parens1.end, parens1.start);
testMotion('%_squares', ['%'], squares1.end, squares1.start);
testMotion('%_braces', ['%'], curlys1.end, curlys1.start);
testMotion('%_seek_outside', ['%'], seekOutside.end, seekOutside.start);
testMotion('%_seek_inside', ['%'], seekInside.end, seekInside.start);
testVim(
  '%_seek_skip',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys(['%']);
    helpers.assertCursorAt(0, 9);
  },
  { value: '01234"("()' },
);
testVim(
  '%_skip_string',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys(['%']);
    helpers.assertCursorAt(0, 4);
    cm.setCursor(0, 2);
    helpers.doKeys(['%']);
    helpers.assertCursorAt(0, 0);
  },
  { value: '(")")' },
);
testVim(
  '%_skip_comment',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys(['%']);
    helpers.assertCursorAt(0, 6);
    cm.setCursor(0, 3);
    helpers.doKeys(['%']);
    helpers.assertCursorAt(0, 0);
  },
  { value: '(/*)*/)' },
);
// Make sure that moving down after going to the end of a line always leaves you
// at the end of a line, but preserves the offset in other cases
testVim('Changing lines after Eol operation', function(cm, vim, helpers) {
  cm.setCursor(0, 0);
  helpers.doKeys(['$']);
  helpers.doKeys(['j']);
  // After moving to Eol and then down, we should be at Eol of line 2
  helpers.assertCursorAt(new Pos(1, lines[1].length - 1));
  helpers.doKeys(['j']);
  // After moving down, we should be at Eol of line 3
  helpers.assertCursorAt(new Pos(2, lines[2].length - 1));
  helpers.doKeys(['h']);
  helpers.doKeys(['j']);
  // After moving back one space and then down, since line 4 is shorter than line 2, we should
  // be at Eol of line 2 - 1
  helpers.assertCursorAt(new Pos(3, lines[3].length - 1));
  helpers.doKeys(['j']);
  helpers.doKeys(['j']);
  // After moving down again, since line 3 has enough characters, we should be back to the
  // same place we were at on line 1
  helpers.assertCursorAt(new Pos(5, lines[2].length - 2));
});
//making sure gj and gk recover from clipping
testVim(
  'gj_gk_clipping',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('g', 'j', 'g', 'j');
    helpers.assertCursorAt(2, 1);
    helpers.doKeys('g', 'k', 'g', 'k');
    helpers.assertCursorAt(0, 1);
  },
  { value: 'line 1\n\nline 2' },
);
//testing a mix of j/k and gj/gk
testVim(
  'j_k_and_gj_gk',
  function(cm, vim, helpers) {
    cm.setSize(120);
    cm.setCursor(0, 0);
    //go to the last character on the first line
    helpers.doKeys('$');
    //move up/down on the column within the wrapped line
    //side-effect: cursor is not locked to eol anymore
    helpers.doKeys('g', 'k');
    var cur = cm.getCursor();
    eq(cur.line, 0);
    is(cur.ch < 176, "gk didn't move cursor back (1)");
    helpers.doKeys('g', 'j');
    helpers.assertCursorAt(0, 176);
    //should move to character 177 on line 2 (j/k preserve character index within line)
    helpers.doKeys('j');
    //due to different line wrapping, the cursor can be on a different screen-x now
    //gj and gk preserve screen-x on movement, much like moveV
    helpers.doKeys('3', 'g', 'k');
    cur = cm.getCursor();
    eq(cur.line, 1);
    is(cur.ch < 176, "gk didn't move cursor back (2)");
    helpers.doKeys('g', 'j', '2', 'g', 'j');
    //should return to the same character-index
    helpers.doKeys('k');
    helpers.assertCursorAt(0, 176);
  },
  {
    lineWrapping: true,
    value:
      "This line is intentially long to test movement of gj and gk over wrapped lines. I will start on the end of this line, then make a step up and back to set the origin for j and k.\nThis line is supposed to be even longer than the previous. I will jump here and make another wiggle with gj and gk, before I jump back to the line above. Both wiggles should not change my cursor's target character but both j/k and gj/gk change each other's reference position.",
  },
);
testVim(
  'gj_gk',
  function(cm, vim, helpers) {
    if (phantom) return;
    cm.setSize(120);
    // Test top of document edge case.
    cm.setCursor(0, 4);
    helpers.doKeys('g', 'j');
    helpers.doKeys('10', 'g', 'k');
    helpers.assertCursorAt(0, 4);

    // Test moving down preserves column position.
    helpers.doKeys('g', 'j');
    var pos1 = cm.getCursor();
    var expectedPos2 = new Pos(0, (pos1.ch - 4) * 2 + 4);
    helpers.doKeys('g', 'j');
    helpers.assertCursorAt(expectedPos2);

    // Move to the last character
    cm.setCursor(0, 0);
    // Move left to reset HSPos
    helpers.doKeys('h');
    // Test bottom of document edge case.
    helpers.doKeys('100', 'g', 'j');
    var endingPos = cm.getCursor();
    is(endingPos != 0, 'gj should not be on wrapped line 0');
    var topLeftCharCoords = cm.charCoords(makeCursor(0, 0));
    var endingCharCoords = cm.charCoords(endingPos);
    is(
      topLeftCharCoords.left == endingCharCoords.left,
      'gj should end up on column 0',
    );
  },
  {
    lineNumbers: false,
    lineWrapping: true,
    value:
      'Thislineisintentionallylongtotestmovementofgjandgkoverwrappedlines.',
  },
);
testVim(
  '}',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('}');
    helpers.assertCursorAt(1, 0);
    cm.setCursor(0, 0);
    helpers.doKeys('2', '}');
    helpers.assertCursorAt(4, 0);
    cm.setCursor(0, 0);
    helpers.doKeys('6', '}');
    helpers.assertCursorAt(5, 0);
  },
  { value: 'a\n\nb\nc\n\nd' },
);
testVim(
  '{',
  function(cm, vim, helpers) {
    cm.setCursor(5, 0);
    helpers.doKeys('{');
    helpers.assertCursorAt(4, 0);
    cm.setCursor(5, 0);
    helpers.doKeys('2', '{');
    helpers.assertCursorAt(1, 0);
    cm.setCursor(5, 0);
    helpers.doKeys('6', '{');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'a\n\nb\nc\n\nd' },
);
testVim(
  'paragraph_motions',
  function(cm, vim, helpers) {
    cm.setCursor(10, 0);
    helpers.doKeys('{');
    helpers.assertCursorAt(4, 0);
    helpers.doKeys('{');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('2', '}');
    helpers.assertCursorAt(7, 0);
    helpers.doKeys('2', '}');
    helpers.assertCursorAt(16, 0);

    cm.setCursor(9, 0);
    helpers.doKeys('}');
    helpers.assertCursorAt(14, 0);

    cm.setCursor(6, 0);
    helpers.doKeys('}');
    helpers.assertCursorAt(7, 0);

    // ip inside empty space
    cm.setCursor(10, 0);
    helpers.doKeys('v', 'i', 'p');
    eqCursorPos(Pos(7, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(12, 0), cm.getCursor('head'));
    helpers.doKeys('i', 'p');
    eqCursorPos(Pos(7, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(13, 1), cm.getCursor('head'));
    helpers.doKeys('2', 'i', 'p');
    eqCursorPos(Pos(7, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(16, 1), cm.getCursor('head'));

    // should switch to visualLine mode
    cm.setCursor(14, 0);
    helpers.doKeys('<Esc>', 'v', 'i', 'p');
    helpers.assertCursorAt(14, 0);

    cm.setCursor(14, 0);
    helpers.doKeys('<Esc>', 'V', 'i', 'p');
    eqCursorPos(Pos(16, 1), cm.getCursor('head'));

    // ap inside empty space
    cm.setCursor(10, 0);
    helpers.doKeys('<Esc>', 'v', 'a', 'p');
    eqCursorPos(Pos(7, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(13, 1), cm.getCursor('head'));
    helpers.doKeys('a', 'p');
    eqCursorPos(Pos(7, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(16, 1), cm.getCursor('head'));

    cm.setCursor(13, 0);
    helpers.doKeys('v', 'a', 'p');
    eqCursorPos(Pos(13, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(14, 0), cm.getCursor('head'));

    cm.setCursor(16, 0);
    helpers.doKeys('v', 'a', 'p');
    eqCursorPos(Pos(14, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(16, 1), cm.getCursor('head'));

    cm.setCursor(0, 0);
    helpers.doKeys('v', 'a', 'p');
    eqCursorPos(Pos(0, 0), cm.getCursor('anchor'));
    eqCursorPos(Pos(4, 0), cm.getCursor('head'));

    cm.setCursor(0, 0);
    helpers.doKeys('d', 'i', 'p');
    var register = helpers.getRegisterController().getRegister();
    eq('a\na\n', register.toString());
    is(register.linewise);
    helpers.doKeys('3', 'j', 'p');
    helpers.doKeys('y', 'i', 'p');
    is(register.linewise);
    eq('b\na\na\nc\n', register.toString());
  },
  { value: 'a\na\n\n\n\nb\nc\n\n\n\n\n\n\nd\n\ne\nf' },
);

// Operator tests
testVim(
  'dl',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 0);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'l');
    eq('word1 ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' ', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1 ' },
);
testVim(
  'dl_eol',
  function(cm, vim, helpers) {
    cm.setCursor(0, 6);
    helpers.doKeys('d', 'l');
    eq(' word1', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' ', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 5);
  },
  { value: ' word1 ' },
);
testVim(
  'dl_repeat',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 0);
    cm.setCursor(curStart);
    helpers.doKeys('2', 'd', 'l');
    eq('ord1 ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' w', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1 ' },
);
testVim(
  'dh',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'h');
    eq(' wrd1 ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('o', register.toString());
    is(!register.linewise);
    eqCursorPos(offsetCursor(curStart, 0, -1), cm.getCursor());
  },
  { value: ' word1 ' },
);
testVim(
  'dj',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'j');
    eq(' word3', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' word1\nword2\n', register.toString());
    is(register.linewise);
    helpers.assertCursorAt(0, 1);
  },
  { value: ' word1\nword2\n word3' },
);
testVim(
  'dj_end_of_document',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'j');
    eq('', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' word1 \n', register.toString());
    is(register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1 ' },
);
testVim(
  'dk',
  function(cm, vim, helpers) {
    var curStart = makeCursor(1, 3);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'k');
    eq(' word3', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' word1\nword2\n', register.toString());
    is(register.linewise);
    helpers.assertCursorAt(0, 1);
  },
  { value: ' word1\nword2\n word3' },
);
testVim(
  'dk_start_of_document',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'k');
    eq('', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' word1 \n', register.toString());
    is(register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1 ' },
);
testVim(
  'dw_space',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 0);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'w');
    eq('word1 ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' ', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1 ' },
);
testVim(
  'dw_word',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 1);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'w');
    eq(' word2', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1 ', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1 word2' },
);
testVim(
  'dw_unicode_word',
  function(cm, vim, helpers) {
    helpers.doKeys('d', 'w');
    eq(cm.getValue().length, 10);
    helpers.doKeys('d', 'w');
    eq(cm.getValue().length, 6);
    helpers.doKeys('d', 'w');
    eq(cm.getValue().length, 5);
    helpers.doKeys('d', 'e');
    eq(cm.getValue().length, 2);
  },
  { value: '  \u0562\u0561\u0580\u0587\xbbe\xb5g  ' },
);
testVim(
  'dw_only_word',
  function(cm, vim, helpers) {
    // Test that if there is only 1 word left, dw deletes till the end of the
    // line.
    cm.setCursor(0, 1);
    helpers.doKeys('d', 'w');
    eq(' ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1 ', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1 ' },
);
testVim(
  'dw_eol',
  function(cm, vim, helpers) {
    // Assert that dw does not delete the newline if last word to delete is at end
    // of line.
    cm.setCursor(0, 1);
    helpers.doKeys('d', 'w');
    eq(' \nword2', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1\nword2' },
);
testVim(
  'dw_eol_with_multiple_newlines',
  function(cm, vim, helpers) {
    // Assert that dw does not delete the newline if last word to delete is at end
    // of line and it is followed by multiple newlines.
    cm.setCursor(0, 1);
    helpers.doKeys('d', 'w');
    eq(' \n\nword2', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1\n\nword2' },
);
testVim(
  'dw_empty_line_followed_by_whitespace',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('  \nword', cm.getValue());
  },
  { value: '\n  \nword' },
);
testVim(
  'dw_empty_line_followed_by_word',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('word', cm.getValue());
  },
  { value: '\nword' },
);
testVim(
  'dw_empty_line_followed_by_empty_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('\n', cm.getValue());
  },
  { value: '\n\n' },
);
testVim(
  'dw_whitespace_followed_by_whitespace',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('\n   \n', cm.getValue());
  },
  { value: '  \n   \n' },
);
testVim(
  'dw_whitespace_followed_by_empty_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('\n\n', cm.getValue());
  },
  { value: '  \n\n' },
);
testVim(
  'dw_word_whitespace_word',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'w');
    eq('\n   \nword2', cm.getValue());
  },
  { value: 'word1\n   \nword2' },
);
testVim(
  'dw_end_of_document',
  function(cm, vim, helpers) {
    cm.setCursor(1, 2);
    helpers.doKeys('d', 'w');
    eq('\nab', cm.getValue());
  },
  { value: '\nabc' },
);
testVim(
  'dw_repeat',
  function(cm, vim, helpers) {
    // Assert that dw does delete newline if it should go to the next line, and
    // that repeat works properly.
    cm.setCursor(0, 1);
    helpers.doKeys('d', '2', 'w');
    eq(' ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1\nword2', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 0);
  },
  { value: ' word1\nword2' },
);
testVim(
  'de_word_start_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'e');
    eq('\n\n', cm.getValue());
  },
  { value: 'word\n\n' },
);
testVim(
  'de_word_end_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    helpers.doKeys('d', 'e');
    eq('wor', cm.getValue());
  },
  { value: 'word\n\n\n' },
);
testVim(
  'de_whitespace_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'e');
    eq('', cm.getValue());
  },
  { value: '   \n\n\n' },
);
testVim(
  'de_end_of_document',
  function(cm, vim, helpers) {
    cm.setCursor(1, 2);
    helpers.doKeys('d', 'e');
    eq('\nab', cm.getValue());
  },
  { value: '\nabc' },
);
testVim(
  'db_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('d', 'b');
    eq('\n\n', cm.getValue());
  },
  { value: '\n\n\n' },
);
testVim(
  'db_word_start_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('d', 'b');
    eq('\nword', cm.getValue());
  },
  { value: '\n\nword' },
);
testVim(
  'db_word_end_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(2, 3);
    helpers.doKeys('d', 'b');
    eq('\n\nd', cm.getValue());
  },
  { value: '\n\nword' },
);
testVim(
  'db_whitespace_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('d', 'b');
    eq('', cm.getValue());
  },
  { value: '\n   \n' },
);
testVim(
  'db_start_of_document',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'b');
    eq('abc\n', cm.getValue());
  },
  { value: 'abc\n' },
);
testVim(
  'dge_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doKeys('d', 'g', 'e');
    // Note: In real VIM the result should be '', but it's not quite consistent,
    // since 2 newlines are deleted. But in the similar case of word\n\n, only
    // 1 newline is deleted. We'll diverge from VIM's behavior since it's much
    // easier this way.
    eq('\n', cm.getValue());
  },
  { value: '\n\n' },
);
testVim(
  'dge_word_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doKeys('d', 'g', 'e');
    eq('wor\n', cm.getValue());
  },
  { value: 'word\n\n' },
);
testVim(
  'dge_whitespace_and_empty_lines',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('d', 'g', 'e');
    eq('', cm.getValue());
  },
  { value: '\n  \n' },
);
testVim(
  'dge_start_of_document',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('d', 'g', 'e');
    eq('bc\n', cm.getValue());
  },
  { value: 'abc\n' },
);
testVim(
  'd_inclusive',
  function(cm, vim, helpers) {
    // Assert that when inclusive is set, the character the cursor is on gets
    // deleted too.
    var curStart = makeCursor(0, 1);
    cm.setCursor(curStart);
    helpers.doKeys('d', 'e');
    eq('  ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1 ' },
);
testVim(
  'd_reverse',
  function(cm, vim, helpers) {
    // Test that deleting in reverse works.
    cm.setCursor(1, 0);
    helpers.doKeys('d', 'b');
    eq(' word2 ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1\n', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 1);
  },
  { value: ' word1\nword2 ' },
);
testVim('dd', function(cm, vim, helpers) {
  cm.setCursor(0, 3);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(1, 0));
  var expectedLineCount = cm.lineCount() - 1;
  helpers.doKeys('d', 'd');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  helpers.assertCursorAt(0, lines[1].textStart);
});
testVim('dd_prefix_repeat', function(cm, vim, helpers) {
  cm.setCursor(0, 3);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(2, 0));
  var expectedLineCount = cm.lineCount() - 2;
  helpers.doKeys('2', 'd', 'd');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  helpers.assertCursorAt(0, lines[2].textStart);
});
testVim('dd_motion_repeat', function(cm, vim, helpers) {
  cm.setCursor(0, 3);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(2, 0));
  var expectedLineCount = cm.lineCount() - 2;
  helpers.doKeys('d', '2', 'd');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  helpers.assertCursorAt(0, lines[2].textStart);
});
testVim('dd_multiply_repeat', function(cm, vim, helpers) {
  cm.setCursor(0, 3);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(6, 0));
  var expectedLineCount = cm.lineCount() - 6;
  helpers.doKeys('2', 'd', '3', 'd');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  helpers.assertCursorAt(0, lines[6].textStart);
});
testVim('dd_lastline', function(cm, vim, helpers) {
  cm.setCursor(cm.lineCount(), 0);
  var expectedLineCount = cm.lineCount() - 1;
  helpers.doKeys('d', 'd');
  eq(expectedLineCount, cm.lineCount());
  helpers.assertCursorAt(cm.lineCount() - 1, 0);
});
testVim(
  'dd_only_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    var expectedRegister = cm.getValue() + '\n';
    helpers.doKeys('d', 'd');
    eq(1, cm.lineCount());
    eq('', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(expectedRegister, register.toString());
  },
  { value: 'thisistheonlyline' },
);
// Yank commands should behave the exact same as d commands, expect that nothing
// gets deleted.
testVim(
  'yw_repeat',
  function(cm, vim, helpers) {
    // Assert that yw does yank newline if it should go to the next line, and
    // that repeat works properly.
    var curStart = makeCursor(0, 1);
    cm.setCursor(curStart);
    helpers.doKeys('y', '2', 'w');
    eq(' word1\nword2', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1\nword2', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1\nword2' },
);
testVim('yy_multiply_repeat', function(cm, vim, helpers) {
  var curStart = makeCursor(0, 3);
  cm.setCursor(curStart);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(6, 0));
  var expectedLineCount = cm.lineCount();
  helpers.doKeys('2', 'y', '3', 'y');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  eqCursorPos(curStart, cm.getCursor());
});
testVim(
  '2dd_blank_P',
  function(cm, vim, helpers) {
    helpers.doKeys('2', 'd', 'd', 'P');
    eq('\na\n\n', cm.getValue());
  },
  { value: '\na\n\n' },
);
// Change commands behave like d commands except that it also enters insert
// mode. In addition, when the change is linewise, an additional newline is
// inserted so that insert mode starts on that line.
testVim(
  'cw',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('c', '2', 'w');
    eq(' word3', cm.getValue());
    helpers.assertCursorAt(0, 0);
  },
  { value: 'word1 word2 word3' },
);
testVim(
  'cw_repeat',
  function(cm, vim, helpers) {
    // Assert that cw does delete newline if it should go to the next line, and
    // that repeat works properly.
    var curStart = makeCursor(0, 1);
    cm.setCursor(curStart);
    helpers.doKeys('c', '2', 'w');
    eq(' ', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word1\nword2', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: ' word1\nword2' },
);
testVim('cc_multiply_repeat', function(cm, vim, helpers) {
  cm.setCursor(0, 3);
  var expectedBuffer = cm.getRange(new Pos(0, 0), new Pos(6, 0));
  var expectedLineCount = cm.lineCount() - 5;
  helpers.doKeys('2', 'c', '3', 'c');
  eq(expectedLineCount, cm.lineCount());
  var register = helpers.getRegisterController().getRegister();
  eq(expectedBuffer, register.toString());
  is(register.linewise);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim(
  'ct',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('c', 't', 'w');
    eq('  word1  word3', cm.getValue());
    helpers.doKeys('<Esc>', 'c', '|');
    eq(' word3', cm.getValue());
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('<Esc>', '2', 'u', 'w', 'h');
    helpers.doKeys('c', '2', 'g', 'e');
    eq('  wordword3', cm.getValue());
  },
  { value: '  word1  word2  word3' },
);
testVim('cc_should_not_append_to_document', function(cm, vim, helpers) {
  var expectedLineCount = cm.lineCount();
  cm.setCursor(cm.lastLine(), 0);
  helpers.doKeys('c', 'c');
  eq(expectedLineCount, cm.lineCount());
});
function fillArray(val, times) {
  var arr = [];
  for (var i = 0; i < times; i++) {
    arr.push(val);
  }
  return arr;
}
testVim(
  'c_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'l', 'l', 'c');
    var replacement = fillArray('hello', 3);
    cm.replaceSelections(replacement);
    eq('1hello\n5hello\nahellofg', cm.getValue());
    helpers.doKeys('<Esc>');
    cm.setCursor(2, 3);
    helpers.doKeys('<C-v>', '2', 'k', 'h', 'C');
    replacement = fillArray('world', 3);
    cm.replaceSelections(replacement);
    eq('1hworld\n5hworld\nahworld', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);
testVim(
  'c_visual_block_replay',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'c');
    var replacement = fillArray('fo', 3);
    cm.replaceSelections(replacement);
    eq('1fo4\n5fo8\nafodefg', cm.getValue());
    helpers.doKeys('<Esc>');
    cm.setCursor(0, 0);
    helpers.doKeys('.');
    eq('foo4\nfoo8\nfoodefg', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);

testVim(
  'd_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'l', 'l', 'd');
    eq('1\n5\nafg', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);
testVim(
  'D_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'D');
    eq('1\n5\na', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);

testVim(
  's_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'l', 'l', 's');
    var replacement = fillArray('hello{', 3);
    cm.replaceSelections(replacement);
    eq('1hello{\n5hello{\nahello{fg\n', cm.getValue());
    helpers.doKeys('<Esc>');
    cm.setCursor(2, 3);
    helpers.doKeys('<C-v>', '1', 'k', 'h', 'S');
    replacement = fillArray('world', 1);
    cm.replaceSelections(replacement);
    eq('1hello{\n  world\n', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg\n' },
);

// Swapcase commands edit in place and do not modify registers.
testVim(
  'g~w_repeat',
  function(cm, vim, helpers) {
    // Assert that dw does delete newline if it should go to the next line, and
    // that repeat works properly.
    var curStart = makeCursor(0, 1);
    cm.setCursor(curStart);
    helpers.doKeys('g', '~', '2', 'w');
    eq(' WORD1\nWORD2', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1\nword2' },
);
testVim(
  'g~g~',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    var expectedLineCount = cm.lineCount();
    var expectedValue = cm.getValue().toUpperCase();
    helpers.doKeys('2', 'g', '~', '3', 'g', '~');
    eq(expectedValue, cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
  },
  { value: ' word1\nword2\nword3\nword4\nword5\nword6' },
);
testVim(
  'gu_and_gU',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 7);
    var value = cm.getValue();
    cm.setCursor(curStart);
    helpers.doKeys('2', 'g', 'U', 'w');
    eq(cm.getValue(), 'wa wb xX WC wd');
    eqCursorPos(curStart, cm.getCursor());
    helpers.doKeys('2', 'g', 'u', 'w');
    eq(cm.getValue(), value);

    helpers.doKeys('2', 'g', 'U', 'B');
    eq(cm.getValue(), 'wa WB Xx wc wd');
    eqCursorPos(makeCursor(0, 3), cm.getCursor());

    cm.setCursor(makeCursor(0, 4));
    helpers.doKeys('g', 'u', 'i', 'w');
    eq(cm.getValue(), 'wa wb Xx wc wd');
    eqCursorPos(makeCursor(0, 3), cm.getCursor());

    // TODO: support gUgU guu
    // eqCursorPos(makeCursor(0, 0), cm.getCursor());

    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
  },
  { value: 'wa wb xx wc wd' },
);
testVim(
  'visual_block_~',
  function(cm, vim, helpers) {
    cm.setCursor(1, 1);
    helpers.doKeys('<C-v>', 'l', 'l', 'j', '~');
    helpers.assertCursorAt(1, 1);
    eq('hello\nwoRLd\naBCDe', cm.getValue());
    cm.setCursor(2, 0);
    helpers.doKeys('v', 'l', 'l', '~');
    helpers.assertCursorAt(2, 0);
    eq('hello\nwoRLd\nAbcDe', cm.getValue());
  },
  { value: 'hello\nwOrld\nabcde' },
);
testVim(
  '._swapCase_visualBlock',
  function(cm, vim, helpers) {
    helpers.doKeys('<C-v>', 'j', 'j', 'l', '~');
    cm.setCursor(0, 3);
    helpers.doKeys('.');
    eq('HelLO\nWorLd\nAbcdE', cm.getValue());
  },
  { value: 'hEllo\nwOrlD\naBcDe' },
);
testVim(
  '._delete_visualBlock',
  function(cm, vim, helpers) {
    helpers.doKeys('<C-v>', 'j', 'x');
    eq('ive\ne\nsome\nsugar', cm.getValue());
    helpers.doKeys('.');
    eq('ve\n\nsome\nsugar', cm.getValue());
    helpers.doKeys('j', 'j', '.');
    eq('ve\n\nome\nugar', cm.getValue());
    helpers.doKeys('u', '<C-r>', '.');
    eq('ve\n\nme\ngar', cm.getValue());
  },
  { value: 'give\nme\nsome\nsugar' },
);
testVim(
  '>{motion}',
  function(cm, vim, helpers) {
    cm.setCursor(1, 3);
    var expectedLineCount = cm.lineCount();
    var expectedValue = '   word1\n  word2\nword3 ';
    helpers.doKeys('>', 'k');
    eq(expectedValue, cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 3);
  },
  { value: ' word1\nword2\nword3 ', indentUnit: 2 },
);
testVim(
  '>>',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    var expectedLineCount = cm.lineCount();
    var expectedValue = '   word1\n  word2\nword3 ';
    helpers.doKeys('2', '>', '>');
    eq(expectedValue, cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 3);
  },
  { value: ' word1\nword2\nword3 ', indentUnit: 2 },
);
testVim(
  '<{motion}',
  function(cm, vim, helpers) {
    cm.setCursor(1, 3);
    var expectedLineCount = cm.lineCount();
    var expectedValue = ' word1\nword2\nword3 ';
    helpers.doKeys('<', 'k');
    eq(expectedValue, cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 1);
  },
  { value: '   word1\n  word2\nword3 ', indentUnit: 2 },
);
testVim(
  '<<',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    var expectedLineCount = cm.lineCount();
    var expectedValue = ' word1\nword2\nword3 ';
    helpers.doKeys('2', '<', '<');
    eq(expectedValue, cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 1);
  },
  { value: '   word1\n  word2\nword3 ', indentUnit: 2 },
);

// Edit tests
function testEdit(name, before, pos, edit, after) {
  return testVim(
    name,
    function(cm, vim, helpers) {
      var ch = before.search(pos);
      var line = before.substring(0, ch).split('\n').length - 1;
      if (line) {
        ch = before
          .substring(0, ch)
          .split('\n')
          .pop().length;
      }
      cm.setCursor(line, ch);
      helpers.doKeys.apply(this, edit.split(''));
      eq(after, cm.getValue());
    },
    { value: before },
  );
}

// These Delete tests effectively cover word-wise Change, Visual & Yank.
// Tabs are used as differentiated whitespace to catch edge cases.
// Normal word:
testEdit('diw_mid_spc', 'foo \tbAr\t baz', /A/, 'diw', 'foo \t\t baz');
testEdit('daw_mid_spc', 'foo \tbAr\t baz', /A/, 'daw', 'foo \tbaz');
testEdit('diw_mid_punct', 'foo \tbAr.\t baz', /A/, 'diw', 'foo \t.\t baz');
testEdit('daw_mid_punct', 'foo \tbAr.\t baz', /A/, 'daw', 'foo.\t baz');
testEdit('diw_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'diw', 'foo \t,.\t baz');
testEdit('daw_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'daw', 'foo \t,.\t baz');
testEdit('diw_start_spc', 'bAr \tbaz', /A/, 'diw', ' \tbaz');
testEdit('daw_start_spc', 'bAr \tbaz', /A/, 'daw', 'baz');
testEdit('diw_start_punct', 'bAr. \tbaz', /A/, 'diw', '. \tbaz');
testEdit('daw_start_punct', 'bAr. \tbaz', /A/, 'daw', '. \tbaz');
testEdit('diw_end_spc', 'foo \tbAr', /A/, 'diw', 'foo \t');
testEdit('daw_end_spc', 'foo \tbAr', /A/, 'daw', 'foo');
testEdit('diw_end_punct', 'foo \tbAr.', /A/, 'diw', 'foo \t.');
testEdit('daw_end_punct', 'foo \tbAr.', /A/, 'daw', 'foo.');
// Big word:
testEdit('diW_mid_spc', 'foo \tbAr\t baz', /A/, 'diW', 'foo \t\t baz');
testEdit('daW_mid_spc', 'foo \tbAr\t baz', /A/, 'daW', 'foo \tbaz');
testEdit('diW_mid_punct', 'foo \tbAr.\t baz', /A/, 'diW', 'foo \t\t baz');
testEdit('daW_mid_punct', 'foo \tbAr.\t baz', /A/, 'daW', 'foo \tbaz');
testEdit('diW_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'diW', 'foo \t\t baz');
testEdit('daW_mid_punct2', 'foo \t,bAr.\t baz', /A/, 'daW', 'foo \tbaz');
testEdit('diW_start_spc', 'bAr\t baz', /A/, 'diW', '\t baz');
testEdit('daW_start_spc', 'bAr\t baz', /A/, 'daW', 'baz');
testEdit('diW_start_punct', 'bAr.\t baz', /A/, 'diW', '\t baz');
testEdit('daW_start_punct', 'bAr.\t baz', /A/, 'daW', 'baz');
testEdit('diW_end_spc', 'foo \tbAr', /A/, 'diW', 'foo \t');
testEdit('daW_end_spc', 'foo \tbAr', /A/, 'daW', 'foo');
testEdit('diW_end_punct', 'foo \tbAr.', /A/, 'diW', 'foo \t');
testEdit('daW_end_punct', 'foo \tbAr.', /A/, 'daW', 'foo');
// Deleting text objects
//    Open and close on same line
testEdit('di(_open_spc', 'foo (bAr) baz', /\(/, 'di(', 'foo () baz');
testEdit('di)_open_spc', 'foo (bAr) baz', /\(/, 'di)', 'foo () baz');
testEdit('dib_open_spc', 'foo (bAr) baz', /\(/, 'dib', 'foo () baz');
testEdit('da(_open_spc', 'foo (bAr) baz', /\(/, 'da(', 'foo  baz');
testEdit('da)_open_spc', 'foo (bAr) baz', /\(/, 'da)', 'foo  baz');

testEdit('di(_middle_spc', 'foo (bAr) baz', /A/, 'di(', 'foo () baz');
testEdit('di)_middle_spc', 'foo (bAr) baz', /A/, 'di)', 'foo () baz');
testEdit('da(_middle_spc', 'foo (bAr) baz', /A/, 'da(', 'foo  baz');
testEdit('da)_middle_spc', 'foo (bAr) baz', /A/, 'da)', 'foo  baz');

testEdit('di(_close_spc', 'foo (bAr) baz', /\)/, 'di(', 'foo () baz');
testEdit('di)_close_spc', 'foo (bAr) baz', /\)/, 'di)', 'foo () baz');
testEdit('da(_close_spc', 'foo (bAr) baz', /\)/, 'da(', 'foo  baz');
testEdit('da)_close_spc', 'foo (bAr) baz', /\)/, 'da)', 'foo  baz');

//  delete around and inner b.
testEdit(
  'dab_on_(_should_delete_around_()block',
  'o( in(abc) )',
  /\(a/,
  'dab',
  'o( in )',
);

//  delete around and inner B.
testEdit(
  'daB_on_{_should_delete_around_{}block',
  'o{ in{abc} }',
  /{a/,
  'daB',
  'o{ in }',
);
testEdit(
  'diB_on_{_should_delete_inner_{}block',
  'o{ in{abc} }',
  /{a/,
  'diB',
  'o{ in{} }',
);

testEdit(
  'da{_on_{_should_delete_inner_block',
  'o{ in{abc} }',
  /{a/,
  'da{',
  'o{ in }',
);
testEdit(
  'di[_on_(_should_not_delete',
  'foo (bAr) baz',
  /\(/,
  'di[',
  'foo (bAr) baz',
);
testEdit(
  'di[_on_)_should_not_delete',
  'foo (bAr) baz',
  /\)/,
  'di[',
  'foo (bAr) baz',
);
testEdit(
  'da[_on_(_should_not_delete',
  'foo (bAr) baz',
  /\(/,
  'da[',
  'foo (bAr) baz',
);
testEdit(
  'da[_on_)_should_not_delete',
  'foo (bAr) baz',
  /\)/,
  'da[',
  'foo (bAr) baz',
);
testMotion(
  'di(_outside_should_stay',
  ['d', 'i', '('],
  new Pos(0, 0),
  new Pos(0, 0),
);

//  Open and close on different lines, equally indented
testEdit('di{_middle_spc', 'a{\n\tbar\n}b', /r/, 'di{', 'a{}b');
testEdit('di}_middle_spc', 'a{\n\tbar\n}b', /r/, 'di}', 'a{}b');
testEdit('da{_middle_spc', 'a{\n\tbar\n}b', /r/, 'da{', 'ab');
testEdit('da}_middle_spc', 'a{\n\tbar\n}b', /r/, 'da}', 'ab');
testEdit('daB_middle_spc', 'a{\n\tbar\n}b', /r/, 'daB', 'ab');

// open and close on diff lines, open indented less than close
testEdit('di{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'di{', 'a{}b');
testEdit('di}_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'di}', 'a{}b');
testEdit('da{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'da{', 'ab');
testEdit('da}_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'da}', 'ab');

// open and close on diff lines, open indented more than close
testEdit('di[_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'di[', 'a\t[]b');
testEdit('di]_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'di]', 'a\t[]b');
testEdit('da[_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'da[', 'a\tb');
testEdit('da]_middle_spc', 'a\t[\n\tbar\n]b', /r/, 'da]', 'a\tb');

function testSelection(name, before, pos, keys, sel) {
  return testVim(
    name,
    function(cm, vim, helpers) {
      var ch = before.search(pos);
      var line = before.substring(0, ch).split('\n').length - 1;
      if (line) {
        ch = before
          .substring(0, ch)
          .split('\n')
          .pop().length;
      }
      cm.setCursor(line, ch);
      helpers.doKeys.apply(this, keys.split(''));
      eq(sel, cm.getSelection());
    },
    { value: before },
  );
}
testSelection('viw_middle_spc', 'foo \tbAr\t baz', /A/, 'viw', 'bAr');
testSelection('vaw_middle_spc', 'foo \tbAr\t baz', /A/, 'vaw', 'bAr\t ');
testSelection('viw_middle_punct', 'foo \tbAr,\t baz', /A/, 'viw', 'bAr');
testSelection('vaW_middle_punct', 'foo \tbAr,\t baz', /A/, 'vaW', 'bAr,\t ');
testSelection('viw_start_spc', 'foo \tbAr\t baz', /b/, 'viw', 'bAr');
testSelection('viw_end_spc', 'foo \tbAr\t baz', /r/, 'viw', 'bAr');
testSelection('viw_eol', 'foo \tbAr', /r/, 'viw', 'bAr');
testSelection('vi{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'vi{', '\n\tbar\n\t');
testSelection('va{_middle_spc', 'a{\n\tbar\n\t}b', /r/, 'va{', '{\n\tbar\n\t}');

testVim(
  'mouse_select',
  function(cm, vim, helpers) {
    cm.setSelection(Pos(0, 2), Pos(0, 4), { origin: '*mouse' });
    is(cm.state.vim.visualMode);
    is(!cm.state.vim.visualLine);
    is(!cm.state.vim.visualBlock);
    helpers.doKeys('<Esc>');
    is(!cm.somethingSelected());
    helpers.doKeys('g', 'v');
    eq('cd', cm.getSelection());
  },
  { value: 'abcdef' },
);

// Operator-motion tests
testVim(
  'D',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    helpers.doKeys('D');
    eq(' wo\nword2\n word3', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('rd1', register.toString());
    is(!register.linewise);
    helpers.assertCursorAt(0, 2);
  },
  { value: ' word1\nword2\n word3' },
);
testVim(
  'C',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('C');
    eq(' wo\nword2\n word3', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('rd1', register.toString());
    is(!register.linewise);
    eqCursorPos(curStart, cm.getCursor());
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: ' word1\nword2\n word3' },
);
testVim(
  'Y',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 3);
    cm.setCursor(curStart);
    helpers.doKeys('Y');
    eq(' word1\nword2\n word3', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq(' word1\n', register.toString());
    is(register.linewise);
    helpers.assertCursorAt(0, 3);
  },
  { value: ' word1\nword2\n word3' },
);
testVim(
  '~',
  function(cm, vim, helpers) {
    helpers.doKeys('3', '~');
    eq('ABCdefg', cm.getValue());
    helpers.assertCursorAt(0, 3);
  },
  { value: 'abcdefg' },
);

// Action tests
testVim(
  'ctrl-a',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-a>');
    eq('-9', cm.getValue());
    helpers.assertCursorAt(0, 1);
    helpers.doKeys('2', '<C-a>');
    eq('-7', cm.getValue());
  },
  { value: '-10' },
);
testVim(
  'ctrl-x',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-x>');
    eq('-1', cm.getValue());
    helpers.assertCursorAt(0, 1);
    helpers.doKeys('2', '<C-x>');
    eq('-3', cm.getValue());
  },
  { value: '0' },
);
testVim(
  '<C-x>/<C-a> search forward',
  function(cm, vim, helpers) {
    forEach(['<C-x>', '<C-a>'], function(key) {
      cm.setCursor(0, 0);
      helpers.doKeys(key);
      helpers.assertCursorAt(0, 5);
      helpers.doKeys('l');
      helpers.doKeys(key);
      helpers.assertCursorAt(0, 10);
      cm.setCursor(0, 11);
      helpers.doKeys(key);
      helpers.assertCursorAt(0, 11);
    });
  },
  { value: '__jmp1 jmp2 jmp' },
);
testVim(
  'insert_ctrl_w',
  function(cm, vim, helpers) {
    var curStart = makeCursor(0, 10);
    cm.setCursor(curStart);
    helpers.doKeys('a');
    helpers.doKeys('<C-w>');
    eq('word1/', cm.getValue());
    var register = helpers.getRegisterController().getRegister();
    eq('word2', register.toString());
    is(!register.linewise);
    var curEnd = makeCursor(0, 6);
    eqCursorPos(curEnd, cm.getCursor());
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'word1/word2' },
);
testVim('a', function(cm, vim, helpers) {
  cm.setCursor(0, 1);
  helpers.doKeys('a');
  helpers.assertCursorAt(0, 2);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim('a_eol', function(cm, vim, helpers) {
  cm.setCursor(0, lines[0].length - 1);
  helpers.doKeys('a');
  helpers.assertCursorAt(0, lines[0].length);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim(
  'A_endOfSelectedArea',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('v', 'j', 'l');
    helpers.doKeys('A');
    helpers.assertCursorAt(1, 2);
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'foo\nbar' },
);
testVim('i', function(cm, vim, helpers) {
  cm.setCursor(0, 1);
  helpers.doKeys('i');
  helpers.assertCursorAt(0, 1);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim(
  'i_repeat',
  function(cm, vim, helpers) {
    helpers.doKeys('3', 'i');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    eq('testtesttest', cm.getValue());
    helpers.assertCursorAt(0, 11);
  },
  { value: '' },
);
testVim(
  'i_repeat_delete',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('2', 'i');
    cm.replaceRange('z', cm.getCursor());
    helpers.doInsertModeKeys('Backspace', 'Backspace');
    helpers.doKeys('<Esc>');
    eq('abe', cm.getValue());
    helpers.assertCursorAt(0, 1);
  },
  { value: 'abcde' },
);
testVim('insert', function(cm, vim, helpers) {
  helpers.doKeys('i');
  eq('vim-insert', cm.getOption('keyMap'));
  eq(false, cm.state.overwrite);
  helpers.doKeys('<Ins>');
  eq('vim-replace', cm.getOption('keyMap'));
  eq(true, cm.state.overwrite);
  helpers.doKeys('<Ins>');
  eq('vim-insert', cm.getOption('keyMap'));
  eq(false, cm.state.overwrite);
});
testVim(
  'i_backspace',
  function(cm, vim, helpers) {
    cm.setCursor(0, 10);
    helpers.doKeys('i');
    helpers.doInsertModeKeys('Backspace');
    helpers.assertCursorAt(0, 9);
    eq('012345678', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'i_overwrite_backspace',
  function(cm, vim, helpers) {
    cm.setCursor(0, 10);
    helpers.doKeys('i');
    helpers.doKeys('<Ins>');
    helpers.doInsertModeKeys('Backspace');
    helpers.assertCursorAt(Pos(0, 9, 'after'));
    eq('0123456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim('A', function(cm, vim, helpers) {
  helpers.doKeys('A');
  helpers.assertCursorAt(0, lines[0].length);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim(
  'A_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'l', 'A');
    var replacement = new Array(cm.listSelections().length + 1)
      .join('hello ')
      .split(' ');
    replacement.pop();
    cm.replaceSelections(replacement);
    eq('testhello\nmehello\npleahellose', cm.getValue());
    helpers.doKeys('<Esc>');
    cm.setCursor(0, 0);
    helpers.doKeys('.');
    // TODO this doesn't work yet
    // eq('teshellothello\nme hello hello\nplehelloahellose', cm.getValue());
  },
  { value: 'test\nme\nplease' },
);
testVim('I', function(cm, vim, helpers) {
  cm.setCursor(0, 4);
  helpers.doKeys('I');
  helpers.assertCursorAt(0, lines[0].textStart);
  eq('vim-insert', cm.getOption('keyMap'));
});
testVim(
  'I_repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('3', 'I');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    eq('testtesttestblah', cm.getValue());
    helpers.assertCursorAt(0, 11);
  },
  { value: 'blah' },
);
testVim(
  'I_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'l', 'I');
    var replacement = new Array(cm.listSelections().length + 1)
      .join('hello ')
      .split(' ');
    replacement.pop();
    cm.replaceSelections(replacement);
    eq('hellotest\nhellome\nhelloplease', cm.getValue());
  },
  { value: 'test\nme\nplease' },
);
testVim(
  'o',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('o');
    eq('word1\n\nword2', cm.getValue());
    helpers.assertCursorAt(1, 0);
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'word1\nword2' },
);
testVim(
  'o_repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('3', 'o');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    eq('\ntest\ntest\ntest', cm.getValue());
    helpers.assertCursorAt(3, 3);
  },
  { value: '' },
);
testVim(
  'O',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('O');
    eq('\nword1\nword2', cm.getValue());
    helpers.assertCursorAt(0, 0);
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'word1\nword2' },
);
testVim(
  'J',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('J');
    var expectedValue = 'word1  word2\nword3\n word4';
    eq(expectedValue, cm.getValue());
    helpers.assertCursorAt(0, expectedValue.indexOf('word2') - 1);
  },
  { value: 'word1 \n    word2\nword3\n word4' },
);
testVim(
  'J_repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('3', 'J');
    var expectedValue = 'word1  word2 word3\n word4';
    eq(expectedValue, cm.getValue());
    helpers.assertCursorAt(0, expectedValue.indexOf('word3') - 1);
  },
  { value: 'word1 \n    word2\nword3\n word4' },
);
testVim(
  'p',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.getRegisterController().pushText('"', 'yank', 'abc\ndef', false);
    helpers.doKeys('p');
    eq('__abc\ndef_', cm.getValue());
    helpers.assertCursorAt(1, 2);
  },
  { value: '___' },
);
testVim(
  'p_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers
      .getRegisterController()
      .getRegister('a')
      .setText('abc\ndef', false);
    helpers.doKeys('"', 'a', 'p');
    eq('__abc\ndef_', cm.getValue());
    helpers.assertCursorAt(1, 2);
  },
  { value: '___' },
);
testVim(
  'p_wrong_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers
      .getRegisterController()
      .getRegister('a')
      .setText('abc\ndef', false);
    helpers.doKeys('p');
    eq('___', cm.getValue());
    helpers.assertCursorAt(0, 1);
  },
  { value: '___' },
);
testVim(
  'p_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.getRegisterController().pushText('"', 'yank', '  a\nd\n', true);
    helpers.doKeys('2', 'p');
    eq('___\n  a\nd\n  a\nd', cm.getValue());
    helpers.assertCursorAt(1, 2);
  },
  { value: '___' },
);
testVim(
  'p_lastline',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.getRegisterController().pushText('"', 'yank', '  a\nd', true);
    helpers.doKeys('2', 'p');
    eq('___\n  a\nd\n  a\nd', cm.getValue());
    helpers.assertCursorAt(1, 2);
  },
  { value: '___' },
);
testVim(
  ']p_first_indent_is_smaller',
  function(cm, vim, helpers) {
    helpers
      .getRegisterController()
      .pushText('"', 'yank', '  abc\n    def\n', true);
    helpers.doKeys(']', 'p');
    eq('  ___\n  abc\n    def', cm.getValue());
  },
  { value: '  ___' },
);
testVim(
  ']p_first_indent_is_larger',
  function(cm, vim, helpers) {
    helpers
      .getRegisterController()
      .pushText('"', 'yank', '    abc\n  def\n', true);
    helpers.doKeys(']', 'p');
    eq('  ___\n  abc\ndef', cm.getValue());
  },
  { value: '  ___' },
);
testVim(
  ']p_with_tab_indents',
  function(cm, vim, helpers) {
    helpers
      .getRegisterController()
      .pushText('"', 'yank', '\t\tabc\n\t\t\tdef\n', true);
    helpers.doKeys(']', 'p');
    eq('\t___\n\tabc\n\t\tdef', cm.getValue());
  },
  { value: '\t___', indentWithTabs: true },
);
testVim(
  ']p_with_spaces_translated_to_tabs',
  function(cm, vim, helpers) {
    helpers
      .getRegisterController()
      .pushText('"', 'yank', '  abc\n    def\n', true);
    helpers.doKeys(']', 'p');
    eq('\t___\n\tabc\n\t\tdef', cm.getValue());
  },
  { value: '\t___', indentWithTabs: true, tabSize: 2 },
);
testVim(
  '[p',
  function(cm, vim, helpers) {
    helpers
      .getRegisterController()
      .pushText('"', 'yank', '  abc\n    def\n', true);
    helpers.doKeys('[', 'p');
    eq('  abc\n    def\n  ___', cm.getValue());
  },
  { value: '  ___' },
);
testVim(
  'P',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.getRegisterController().pushText('"', 'yank', 'abc\ndef', false);
    helpers.doKeys('P');
    eq('_abc\ndef__', cm.getValue());
    helpers.assertCursorAt(1, 3);
  },
  { value: '___' },
);
testVim(
  'P_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.getRegisterController().pushText('"', 'yank', '  a\nd\n', true);
    helpers.doKeys('2', 'P');
    eq('  a\nd\n  a\nd\n___', cm.getValue());
    helpers.assertCursorAt(0, 2);
  },
  { value: '___' },
);
testVim(
  'r',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('3', 'r', 'u');
    eq('wuuuet\nanother', cm.getValue(), '3r failed');
    helpers.assertCursorAt(0, 3);
    cm.setCursor(0, 4);
    helpers.doKeys('v', 'j', 'h', 'r', '<Space>');
    eq(
      'wuuu  \n    her',
      cm.getValue(),
      'Replacing selection by space-characters failed',
    );
    cm.setValue('ox');
    helpers.doKeys('r', '<C-c>');
    eq('ox', cm.getValue());
    helpers.doKeys('r', '<Del>');
    eq('ox', cm.getValue());
    helpers.doKeys('r', '<CR>');
    eq('\nx', cm.getValue());
  },
  { value: 'wordet\nanother' },
);
testVim(
  'r_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(2, 3);
    helpers.doKeys('<C-v>', 'k', 'k', 'h', 'h', 'r', 'l');
    eq('1lll\n5lll\nalllefg', cm.getValue());
    helpers.doKeys('<C-v>', 'l', 'j', 'r', '<Space>');
    eq('1  l\n5  l\nalllefg', cm.getValue());
    cm.setCursor(2, 0);
    helpers.doKeys('o');
    helpers.doKeys('<Esc>');
    cm.replaceRange('\t\t', cm.getCursor());
    helpers.doKeys('<C-v>', 'h', 'h', 'r', 'r');
    eq('1  l\n5  l\nalllefg\nrrrrrrrr', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);
testVim('R', function(cm, vim, helpers) {
  cm.setCursor(0, 1);
  helpers.doKeys('R');
  helpers.assertCursorAt(0, 1);
  eq('vim-replace', cm.getOption('keyMap'));
  is(cm.state.overwrite, 'Setting overwrite state failed');
});
testVim('mark', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 't');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 't');
  helpers.assertCursorAt(2, 2);
  cm.setCursor(2, 0);
  cm.replaceRange('   h', cm.getCursor());
  cm.setCursor(0, 0);
  helpers.doKeys("'", 't');
  helpers.assertCursorAt(2, 3);
});
testVim("mark'", function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  cm.setCursor(0, 0);
  helpers.doKeys('`', "'");
  helpers.assertCursorAt(2, 2);
  cm.setCursor(2, 0);
  cm.replaceRange('   h', cm.getCursor());
  cm.setCursor(0, 0);
  helpers.doKeys("'", "'");
  helpers.assertCursorAt(2, 3);
});
testVim('mark.', function(cm, vim, helpers) {
  cm.setCursor(0, 0);
  helpers.doKeys('O', 'testing', '<Esc>');
  cm.setCursor(3, 3);
  helpers.doKeys("'", '.');
  helpers.assertCursorAt(0, 0);
  cm.setCursor(4, 4);
  helpers.doKeys('`', '.');
  helpers.assertCursorAt(0, 6);
});
testVim('jumpToMark_next', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 't');
  cm.setCursor(0, 0);
  helpers.doKeys(']', '`');
  helpers.assertCursorAt(2, 2);
  cm.setCursor(0, 0);
  helpers.doKeys(']', "'");
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_next_repeat', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(0, 0);
  helpers.doKeys('2', ']', '`');
  helpers.assertCursorAt(3, 2);
  cm.setCursor(0, 0);
  helpers.doKeys('2', ']', "'");
  helpers.assertCursorAt(3, 1);
});
testVim('jumpToMark_next_sameline', function(cm, vim, helpers) {
  cm.setCursor(2, 0);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 4);
  helpers.doKeys('m', 'b');
  cm.setCursor(2, 2);
  helpers.doKeys(']', '`');
  helpers.assertCursorAt(2, 4);
});
testVim('jumpToMark_next_onlyprev', function(cm, vim, helpers) {
  cm.setCursor(2, 0);
  helpers.doKeys('m', 'a');
  cm.setCursor(4, 0);
  helpers.doKeys(']', '`');
  helpers.assertCursorAt(4, 0);
});
testVim('jumpToMark_next_nomark', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys(']', '`');
  helpers.assertCursorAt(2, 2);
  helpers.doKeys(']', "'");
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_next_linewise_over', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(3, 4);
  helpers.doKeys('m', 'b');
  cm.setCursor(2, 1);
  helpers.doKeys(']', "'");
  helpers.assertCursorAt(3, 1);
});
testVim('jumpToMark_next_action', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 't');
  cm.setCursor(0, 0);
  helpers.doKeys('d', ']', '`');
  helpers.assertCursorAt(0, 0);
  var actual = cm.getLine(0);
  var expected = 'pop pop 0 1 2 3 4';
  eq(actual, expected, 'Deleting while jumping to the next mark failed.');
});
testVim('jumpToMark_next_line_action', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 't');
  cm.setCursor(0, 0);
  helpers.doKeys('d', ']', "'");
  helpers.assertCursorAt(0, 1);
  var actual = cm.getLine(0);
  var expected = ' (a) [b] {c} ';
  eq(actual, expected, 'Deleting while jumping to the next mark line failed.');
});
testVim('jumpToMark_prev', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 't');
  cm.setCursor(4, 0);
  helpers.doKeys('[', '`');
  helpers.assertCursorAt(2, 2);
  cm.setCursor(4, 0);
  helpers.doKeys('[', "'");
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_prev_repeat', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(5, 0);
  helpers.doKeys('2', '[', '`');
  helpers.assertCursorAt(3, 2);
  cm.setCursor(5, 0);
  helpers.doKeys('2', '[', "'");
  helpers.assertCursorAt(3, 1);
});
testVim('jumpToMark_prev_sameline', function(cm, vim, helpers) {
  cm.setCursor(2, 0);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 4);
  helpers.doKeys('m', 'b');
  cm.setCursor(2, 2);
  helpers.doKeys('[', '`');
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_prev_onlynext', function(cm, vim, helpers) {
  cm.setCursor(4, 4);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 0);
  helpers.doKeys('[', '`');
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_prev_nomark', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('[', '`');
  helpers.assertCursorAt(2, 2);
  helpers.doKeys('[', "'");
  helpers.assertCursorAt(2, 0);
});
testVim('jumpToMark_prev_linewise_over', function(cm, vim, helpers) {
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(3, 4);
  helpers.doKeys('m', 'b');
  cm.setCursor(3, 6);
  helpers.doKeys('[', "'");
  helpers.assertCursorAt(2, 0);
});
testVim('delmark_single', function(cm, vim, helpers) {
  cm.setCursor(1, 2);
  helpers.doKeys('m', 't');
  helpers.doEx('delmarks t');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 't');
  helpers.assertCursorAt(0, 0);
});
testVim('delmark_range', function(cm, vim, helpers) {
  cm.setCursor(1, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'd');
  cm.setCursor(5, 2);
  helpers.doKeys('m', 'e');
  helpers.doEx('delmarks b-d');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 'a');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'b');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'c');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'd');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'e');
  helpers.assertCursorAt(5, 2);
});
testVim('delmark_multi', function(cm, vim, helpers) {
  cm.setCursor(1, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'd');
  cm.setCursor(5, 2);
  helpers.doKeys('m', 'e');
  helpers.doEx('delmarks bcd');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 'a');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'b');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'c');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'd');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'e');
  helpers.assertCursorAt(5, 2);
});
testVim('delmark_multi_space', function(cm, vim, helpers) {
  cm.setCursor(1, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'd');
  cm.setCursor(5, 2);
  helpers.doKeys('m', 'e');
  helpers.doEx('delmarks b c d');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 'a');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'b');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'c');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'd');
  helpers.assertCursorAt(1, 2);
  helpers.doKeys('`', 'e');
  helpers.assertCursorAt(5, 2);
});
testVim('delmark_all', function(cm, vim, helpers) {
  cm.setCursor(1, 2);
  helpers.doKeys('m', 'a');
  cm.setCursor(2, 2);
  helpers.doKeys('m', 'b');
  cm.setCursor(3, 2);
  helpers.doKeys('m', 'c');
  cm.setCursor(4, 2);
  helpers.doKeys('m', 'd');
  cm.setCursor(5, 2);
  helpers.doKeys('m', 'e');
  helpers.doEx('delmarks a b-de');
  cm.setCursor(0, 0);
  helpers.doKeys('`', 'a');
  helpers.assertCursorAt(0, 0);
  helpers.doKeys('`', 'b');
  helpers.assertCursorAt(0, 0);
  helpers.doKeys('`', 'c');
  helpers.assertCursorAt(0, 0);
  helpers.doKeys('`', 'd');
  helpers.assertCursorAt(0, 0);
  helpers.doKeys('`', 'e');
  helpers.assertCursorAt(0, 0);
});
testVim(
  'visual',
  function(cm, vim, helpers) {
    helpers.doKeys('l', 'v', 'l', 'l');
    helpers.assertCursorAt(0, 4);
    eqCursorPos(makeCursor(0, 1), cm.getCursor('anchor'));
    helpers.doKeys('d');
    eq('15', cm.getValue());
  },
  { value: '12345' },
);
testVim(
  'visual_yank',
  function(cm, vim, helpers) {
    helpers.doKeys('v', '3', 'l', 'y');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('p');
    eq('aa te test for yank', cm.getValue());
  },
  { value: 'a test for yank' },
);
testVim(
  'visual_w',
  function(cm, vim, helpers) {
    helpers.doKeys('v', 'w');
    eq(cm.getSelection(), 'motion t');
  },
  { value: 'motion test' },
);
testVim(
  'visual_initial_selection',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('v');
    cm.getSelection('n');
  },
  { value: 'init' },
);
testVim(
  'visual_crossover_left',
  function(cm, vim, helpers) {
    cm.setCursor(0, 2);
    helpers.doKeys('v', 'l', 'h', 'h');
    cm.getSelection('ro');
  },
  { value: 'cross' },
);
testVim(
  'visual_crossover_left',
  function(cm, vim, helpers) {
    cm.setCursor(0, 2);
    helpers.doKeys('v', 'h', 'l', 'l');
    cm.getSelection('os');
  },
  { value: 'cross' },
);
testVim(
  'visual_crossover_up',
  function(cm, vim, helpers) {
    cm.setCursor(3, 2);
    helpers.doKeys('v', 'j', 'k', 'k');
    eqCursorPos(Pos(2, 2), cm.getCursor('head'));
    eqCursorPos(Pos(3, 3), cm.getCursor('anchor'));
    helpers.doKeys('k');
    eqCursorPos(Pos(1, 2), cm.getCursor('head'));
    eqCursorPos(Pos(3, 3), cm.getCursor('anchor'));
  },
  { value: 'cross\ncross\ncross\ncross\ncross\n' },
);
testVim(
  'visual_crossover_down',
  function(cm, vim, helpers) {
    cm.setCursor(1, 2);
    helpers.doKeys('v', 'k', 'j', 'j');
    eqCursorPos(Pos(2, 3), cm.getCursor('head'));
    eqCursorPos(Pos(1, 2), cm.getCursor('anchor'));
    helpers.doKeys('j');
    eqCursorPos(Pos(3, 3), cm.getCursor('head'));
    eqCursorPos(Pos(1, 2), cm.getCursor('anchor'));
  },
  { value: 'cross\ncross\ncross\ncross\ncross\n' },
);
testVim(
  'visual_exit',
  function(cm, vim, helpers) {
    helpers.doKeys('<C-v>', 'l', 'j', 'j', '<Esc>');
    eqCursorPos(cm.getCursor('anchor'), cm.getCursor('head'));
    eq(vim.visualMode, false);
  },
  { value: 'hello\nworld\nfoo' },
);
testVim(
  'visual_line',
  function(cm, vim, helpers) {
    helpers.doKeys('l', 'V', 'l', 'j', 'j', 'd');
    eq(' 4\n 5', cm.getValue());
  },
  { value: ' 1\n 2\n 3\n 4\n 5' },
);
testVim(
  'visual_block_move_to_eol',
  function(cm, vim, helpers) {
    // moveToEol should move all block cursors to end of line
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', 'G', '$');
    var selections = cm.getSelections().join();
    eq('123,45,6', selections);
    // Checks that with cursor at Infinity, finding words backwards still works.
    helpers.doKeys('2', 'k', 'b');
    selections = cm.getSelections().join();
    eq('1', selections);
  },
  { value: '123\n45\n6' },
);
testVim(
  'visual_block_different_line_lengths',
  function(cm, vim, helpers) {
    // test the block selection with lines of different length
    // i.e. extending the selection
    // till the end of the longest line.
    helpers.doKeys('<C-v>', 'l', 'j', 'j', '6', 'l', 'd');
    helpers.doKeys('d', 'd', 'd', 'd');
    eq('', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);
testVim(
  'visual_block_truncate_on_short_line',
  function(cm, vim, helpers) {
    // check for left side selection in case
    // of moving up to a shorter line.
    cm.replaceRange('', cm.getCursor());
    cm.setCursor(3, 4);
    helpers.doKeys('<C-v>', 'l', 'k', 'k', 'd');
    eq('hello world\n{\ntis\nsa!', cm.getValue());
  },
  { value: 'hello world\n{\nthis is\nsparta!' },
);
testVim(
  'visual_block_corners',
  function(cm, vim, helpers) {
    cm.setCursor(1, 2);
    helpers.doKeys('<C-v>', '2', 'l', 'k');
    // circle around the anchor
    // and check the selections
    var selections = cm.getSelections();
    eq('345891', selections.join(''));
    helpers.doKeys('4', 'h');
    selections = cm.getSelections();
    eq('123678', selections.join(''));
    helpers.doKeys('j', 'j');
    selections = cm.getSelections();
    eq('678abc', selections.join(''));
    helpers.doKeys('4', 'l');
    selections = cm.getSelections();
    eq('891cde', selections.join(''));
  },
  { value: '12345\n67891\nabcde' },
);
testVim(
  'visual_block_mode_switch',
  function(cm, vim, helpers) {
    // switch between visual modes
    cm.setCursor(1, 1);
    // blockwise to characterwise visual
    helpers.doKeys('<C-v>', 'j', 'l', 'v');
    var selections = cm.getSelections();
    eq('7891\nabc', selections.join(''));
    // characterwise to blockwise
    helpers.doKeys('<C-v>');
    selections = cm.getSelections();
    eq('78bc', selections.join(''));
    // blockwise to linewise visual
    helpers.doKeys('V');
    selections = cm.getSelections();
    eq('67891\nabcde', selections.join(''));
  },
  { value: '12345\n67891\nabcde' },
);
testVim(
  'visual_block_crossing_short_line',
  function(cm, vim, helpers) {
    // visual block with long and short lines
    cm.setCursor(0, 3);
    helpers.doKeys('<C-v>', 'j', 'j', 'j');
    var selections = cm.getSelections().join();
    eq('4,,d,b', selections);
    helpers.doKeys('3', 'k');
    selections = cm.getSelections().join();
    eq('4', selections);
    helpers.doKeys('5', 'j', 'k');
    selections = cm.getSelections().join('');
    eq(10, selections.length);
  },
  { value: '123456\n78\nabcdefg\nfoobar\n}\n' },
);
testVim(
  'visual_block_curPos_on_exit',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '3', 'l', '<Esc>');
    eqCursorPos(makeCursor(0, 3), cm.getCursor());
    helpers.doKeys('h', '<C-v>', '2', 'j', '3', 'l');
    eq(cm.getSelections().join(), '3456,,cdef');
    helpers.doKeys('4', 'h');
    eq(cm.getSelections().join(), '23,8,bc');
    helpers.doKeys('2', 'l');
    eq(cm.getSelections().join(), '34,,cd');
  },
  { value: '123456\n78\nabcdefg\nfoobar' },
);

testVim('visual_marks', function(cm, vim, helpers) {
  helpers.doKeys('l', 'v', 'l', 'l', 'j', 'j', 'v');
  // Test visual mode marks
  cm.setCursor(2, 1);
  helpers.doKeys("'", '<');
  helpers.assertCursorAt(0, 1);
  helpers.doKeys("'", '>');
  helpers.assertCursorAt(2, 0);
});
testVim(
  'visual_join',
  function(cm, vim, helpers) {
    helpers.doKeys('l', 'V', 'l', 'j', 'j', 'J');
    eq(' 1 2 3\n 4\n 5', cm.getValue());
    is(!vim.visualMode);
  },
  { value: ' 1\n 2\n 3\n 4\n 5' },
);
testVim(
  'visual_join_2',
  function(cm, vim, helpers) {
    helpers.doKeys('G', 'V', 'g', 'g', 'J');
    eq('1 2 3 4 5 6 ', cm.getValue());
    is(!vim.visualMode);
  },
  { value: '1\n2\n3\n4\n5\n6\n' },
);
testVim(
  'visual_blank',
  function(cm, vim, helpers) {
    helpers.doKeys('v', 'k');
    eq(vim.visualMode, true);
  },
  { value: '\n' },
);
testVim(
  'reselect_visual',
  function(cm, vim, helpers) {
    helpers.doKeys('l', 'v', 'l', 'l', 'l', 'y', 'g', 'v');
    helpers.assertCursorAt(0, 5);
    eqCursorPos(makeCursor(0, 1), cm.getCursor('anchor'));
    helpers.doKeys('v');
    cm.setCursor(1, 0);
    helpers.doKeys('v', 'l', 'l', 'p');
    eq('123456\n2345\nbar', cm.getValue());
    cm.setCursor(0, 0);
    helpers.doKeys('g', 'v');
    // here the fake cursor is at (1, 3)
    helpers.assertCursorAt(1, 4);
    eqCursorPos(makeCursor(1, 0), cm.getCursor('anchor'));
    helpers.doKeys('v');
    cm.setCursor(2, 0);
    helpers.doKeys('v', 'l', 'l', 'g', 'v');
    helpers.assertCursorAt(1, 4);
    eqCursorPos(makeCursor(1, 0), cm.getCursor('anchor'));
    helpers.doKeys('g', 'v');
    helpers.assertCursorAt(2, 3);
    eqCursorPos(makeCursor(2, 0), cm.getCursor('anchor'));
    eq('123456\n2345\nbar', cm.getValue());
  },
  { value: '123456\nfoo\nbar' },
);
testVim(
  'reselect_visual_line',
  function(cm, vim, helpers) {
    helpers.doKeys('l', 'V', 'j', 'j', 'V', 'g', 'v', 'd');
    eq('foo\nand\nbar', cm.getValue());
    cm.setCursor(1, 0);
    helpers.doKeys('V', 'y', 'j');
    helpers.doKeys('V', 'p', 'g', 'v', 'd');
    eq('foo\nand', cm.getValue());
  },
  { value: 'hello\nthis\nis\nfoo\nand\nbar' },
);
testVim(
  'reselect_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(1, 2);
    helpers.doKeys('<C-v>', 'k', 'h', '<C-v>');
    cm.setCursor(2, 1);
    helpers.doKeys('v', 'l', 'g', 'v');
    eqCursorPos(Pos(1, 2), vim.sel.anchor);
    eqCursorPos(Pos(0, 1), vim.sel.head);
    // Ensure selection is done with visual block mode rather than one
    // continuous range.
    eq(cm.getSelections().join(''), '23oo');
    helpers.doKeys('g', 'v');
    eqCursorPos(Pos(2, 1), vim.sel.anchor);
    eqCursorPos(Pos(2, 2), vim.sel.head);
    helpers.doKeys('<Esc>');
    // Ensure selection of deleted range
    cm.setCursor(1, 1);
    helpers.doKeys('v', '<C-v>', 'j', 'd', 'g', 'v');
    eq(cm.getSelections().join(''), 'or');
  },
  { value: '123456\nfoo\nbar' },
);
testVim(
  's_normal',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('s');
    helpers.doKeys('<Esc>');
    eq('ac', cm.getValue());
  },
  { value: 'abc' },
);
testVim(
  's_visual',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('v', 's');
    helpers.doKeys('<Esc>');
    helpers.assertCursorAt(0, 0);
    eq('ac', cm.getValue());
  },
  { value: 'abc' },
);
testVim(
  'o_visual',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('v', 'l', 'l', 'l', 'o');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('v', 'v', 'j', 'j', 'j', 'o');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('O');
    helpers.doKeys('l', 'l');
    helpers.assertCursorAt(3, 3);
    helpers.doKeys('d');
    eq('p', cm.getValue());
  },
  { value: 'abcd\nefgh\nijkl\nmnop' },
);
testVim(
  'o_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', '3', 'j', 'l', 'l', 'o');
    eqCursorPos(Pos(3, 3), vim.sel.anchor);
    eqCursorPos(Pos(0, 1), vim.sel.head);
    helpers.doKeys('O');
    eqCursorPos(Pos(3, 1), vim.sel.anchor);
    eqCursorPos(Pos(0, 3), vim.sel.head);
    helpers.doKeys('o');
    eqCursorPos(Pos(0, 3), vim.sel.anchor);
    eqCursorPos(Pos(3, 1), vim.sel.head);
  },
  { value: 'abcd\nefgh\nijkl\nmnop' },
);
testVim(
  'changeCase_visual',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('v', 'l', 'l');
    helpers.doKeys('U');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('v', 'l', 'l');
    helpers.doKeys('u');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('l', 'l', 'l', '.');
    helpers.assertCursorAt(0, 3);
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', 'v', 'j', 'U', 'q');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('j', '@', 'a');
    helpers.assertCursorAt(1, 0);
    cm.setCursor(3, 0);
    helpers.doKeys('V', 'U', 'j', '.');
    eq('ABCDEF\nGHIJKL\nMnopq\nSHORT LINE\nLONG LINE OF TEXT', cm.getValue());
  },
  { value: 'abcdef\nghijkl\nmnopq\nshort line\nlong line of text' },
);
testVim(
  'changeCase_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(2, 1);
    helpers.doKeys('<C-v>', 'k', 'k', 'h', 'U');
    eq('ABcdef\nGHijkl\nMNopq\nfoo', cm.getValue());
    cm.setCursor(0, 2);
    helpers.doKeys('.');
    eq('ABCDef\nGHIJkl\nMNOPq\nfoo', cm.getValue());
    // check when last line is shorter.
    cm.setCursor(2, 2);
    helpers.doKeys('.');
    eq('ABCDef\nGHIJkl\nMNOPq\nfoO', cm.getValue());
  },
  { value: 'abcdef\nghijkl\nmnopq\nfoo' },
);
testVim(
  'visual_paste',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('v', 'l', 'l', 'y');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('3', 'l', 'j', 'v', 'l', 'p');
    helpers.assertCursorAt(1, 5);
    eq('this is a\nunithitest for visual paste', cm.getValue());
    cm.setCursor(0, 0);
    // in case of pasting whole line
    helpers.doKeys('y', 'y');
    cm.setCursor(1, 6);
    helpers.doKeys('v', 'l', 'l', 'l', 'p');
    helpers.assertCursorAt(2, 0);
    eq('this is a\nunithi\nthis is a\n for visual paste', cm.getValue());
  },
  { value: 'this is a\nunit test for visual paste' },
);

// This checks the contents of the register used to paste the text
testVim(
  'v_paste_from_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'w');
    cm.setCursor(1, 0);
    helpers.doKeys('v', 'p');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+register/.test(text));
    });
  },
  { value: 'register contents\nare not erased' },
);
testVim(
  'S_normal',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('j', 'S');
    helpers.doKeys('<Esc>');
    helpers.assertCursorAt(1, 1);
    eq('aa{\n  \ncc', cm.getValue());
    helpers.doKeys('j', 'S');
    eq('aa{\n  \n  ', cm.getValue());
    helpers.assertCursorAt(2, 2);
    helpers.doKeys('<Esc>');
    helpers.doKeys('d', 'd', 'd', 'd');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('S');
    is(vim.insertMode);
    eq('', cm.getValue());
  },
  { value: 'aa{\nbb\ncc' },
);
testVim(
  'blockwise_paste',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '3', 'j', 'l', 'y');
    cm.setCursor(0, 2);
    // paste one char after the current cursor position
    helpers.doKeys('p');
    eq('helhelo\nworwold\nfoofo\nbarba', cm.getValue());
    cm.setCursor(0, 0);
    helpers.doKeys('v', '4', 'l', 'y');
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '3', 'j', 'p');
    eq('helheelhelo\norwold\noofo\narba', cm.getValue());
  },
  { value: 'hello\nworld\nfoo\nbar' },
);
testVim(
  'blockwise_paste_long/short_line',
  function(cm, vim, helpers) {
    // extend short lines in case of different line lengths.
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', 'j', 'j', 'y');
    cm.setCursor(0, 3);
    helpers.doKeys('p');
    eq('hellho\nfoo f\nbar b', cm.getValue());
  },
  { value: 'hello\nfoo\nbar' },
);
testVim(
  'blockwise_paste_cut_paste',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '2', 'j', 'x');
    cm.setCursor(0, 0);
    helpers.doKeys('P');
    eq('cut\nand\npaste\nme', cm.getValue());
  },
  { value: 'cut\nand\npaste\nme' },
);
testVim(
  'blockwise_paste_from_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '2', 'j', '"', 'a', 'y');
    cm.setCursor(0, 3);
    helpers.doKeys('"', 'a', 'p');
    eq('foobfar\nhellho\nworlwd', cm.getValue());
  },
  { value: 'foobar\nhello\nworld' },
);
testVim(
  'blockwise_paste_last_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'y');
    cm.setCursor(3, 0);
    helpers.doKeys('p');
    eq('cut\nand\npaste\nmcue\n an\n pa', cm.getValue());
  },
  { value: 'cut\nand\npaste\nme' },
);

testVim(
  'S_visual',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('v', 'j', 'S');
    helpers.doKeys('<Esc>');
    helpers.assertCursorAt(0, 0);
    eq('\ncc', cm.getValue());
  },
  { value: 'aa\nbb\ncc' },
);

testVim(
  'd_/',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('match');
    helpers.doKeys('2', 'd', '/');
    helpers.assertCursorAt(0, 0);
    eq('match \n next', cm.getValue());
    cm.openDialog = helpers.fakeOpenDialog('2');
    helpers.doKeys('d', ':');
    // TODO eq(' next', cm.getValue());
  },
  { value: 'text match match \n next' },
);
testVim(
  '/ and n/N',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('match');
    helpers.doKeys('/');
    helpers.assertCursorAt(0, 11);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 6);
    helpers.doKeys('N');
    helpers.assertCursorAt(0, 11);

    cm.setCursor(0, 0);
    helpers.doKeys('2', '/');
    helpers.assertCursorAt(1, 6);
  },
  { value: 'match nope match \n nope Match' },
);
testVim(
  '/_case',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('Match');
    helpers.doKeys('/');
    helpers.assertCursorAt(1, 6);
  },
  { value: 'match nope match \n nope Match' },
);
testVim(
  '/_2_pcre',
  function(cm, vim, helpers) {
    CodeMirror.Vim.setOption('pcre', true);
    cm.openDialog = helpers.fakeOpenDialog('(word){2}');
    helpers.doKeys('/');
    helpers.assertCursorAt(1, 9);
    helpers.doKeys('n');
    helpers.assertCursorAt(2, 1);
  },
  { value: 'word\n another wordword\n wordwordword\n' },
);
testVim(
  '/_2_nopcre',
  function(cm, vim, helpers) {
    CodeMirror.Vim.setOption('pcre', false);
    cm.openDialog = helpers.fakeOpenDialog('\\(word\\)\\{2}');
    helpers.doKeys('/');
    helpers.assertCursorAt(1, 9);
    helpers.doKeys('n');
    helpers.assertCursorAt(2, 1);
  },
  { value: 'word\n another wordword\n wordwordword\n' },
);
testVim(
  '/_nongreedy',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('aa');
    helpers.doKeys('/');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa aa \n a aa' },
);
testVim(
  '?_nongreedy',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('aa');
    helpers.doKeys('?');
    helpers.assertCursorAt(1, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa aa \n a aa' },
);
testVim(
  '/_greedy',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('a+');
    helpers.doKeys('/');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 1);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa aa \n a aa' },
);
testVim(
  '?_greedy',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('a+');
    helpers.doKeys('?');
    helpers.assertCursorAt(1, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 1);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa aa \n a aa' },
);
testVim(
  '/_greedy_0_or_more',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('a*');
    helpers.doKeys('/');
    helpers.assertCursorAt(0, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 5);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 0);
    helpers.doKeys('n');
    helpers.assertCursorAt(1, 1);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa  aa\n aa' },
);
testVim(
  '?_greedy_0_or_more',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('a*');
    helpers.doKeys('?');
    helpers.assertCursorAt(1, 1);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 5);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 3);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 0);
  },
  { value: 'aaa  aa\n aa' },
);
testVim(
  '? and n/N',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('match');
    helpers.doKeys('?');
    helpers.assertCursorAt(1, 6);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 11);
    helpers.doKeys('N');
    helpers.assertCursorAt(1, 6);

    cm.setCursor(0, 0);
    helpers.doKeys('2', '?');
    helpers.assertCursorAt(0, 11);
  },
  { value: 'match nope match \n nope Match' },
);
testVim(
  '*',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('*');
    helpers.assertCursorAt(0, 22);

    cm.setCursor(0, 9);
    helpers.doKeys('2', '*');
    helpers.assertCursorAt(1, 8);
  },
  { value: 'nomatch match nomatch match \nnomatch Match' },
);
testVim(
  '*_no_word',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('*');
    helpers.assertCursorAt(0, 0);
  },
  { value: ' \n match \n' },
);
testVim(
  '*_symbol',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('*');
    helpers.assertCursorAt(1, 0);
  },
  { value: ' /}\n/} match \n' },
);
testVim(
  '#',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('#');
    helpers.assertCursorAt(1, 8);

    cm.setCursor(0, 9);
    helpers.doKeys('2', '#');
    helpers.assertCursorAt(0, 22);
  },
  { value: 'nomatch match nomatch match \nnomatch Match' },
);
testVim(
  '*_seek',
  function(cm, vim, helpers) {
    // Should skip over space and symbols.
    cm.setCursor(0, 3);
    helpers.doKeys('*');
    helpers.assertCursorAt(0, 22);
  },
  { value: '    :=  match nomatch match \nnomatch Match' },
);
testVim(
  '#',
  function(cm, vim, helpers) {
    // Should skip over space and symbols.
    cm.setCursor(0, 3);
    helpers.doKeys('#');
    helpers.assertCursorAt(1, 8);
  },
  { value: '    :=  match nomatch match \nnomatch Match' },
);
testVim(
  'g*',
  function(cm, vim, helpers) {
    cm.setCursor(0, 8);
    helpers.doKeys('g', '*');
    helpers.assertCursorAt(0, 18);
    cm.setCursor(0, 8);
    helpers.doKeys('3', 'g', '*');
    helpers.assertCursorAt(1, 8);
  },
  { value: 'matches match alsoMatch\nmatchme matching' },
);
testVim(
  'g#',
  function(cm, vim, helpers) {
    cm.setCursor(0, 8);
    helpers.doKeys('g', '#');
    helpers.assertCursorAt(0, 0);
    cm.setCursor(0, 8);
    helpers.doKeys('3', 'g', '#');
    helpers.assertCursorAt(1, 0);
  },
  { value: 'matches match alsoMatch\nmatchme matching' },
);
testVim(
  'macro_insert',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', '0', 'i');
    cm.replaceRange('foo', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q', '@', 'a');
    eq('foofoo', cm.getValue());
  },
  { value: '' },
);
testVim(
  'macro_insert_repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', '$', 'a');
    cm.replaceRange('larry.', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('a');
    cm.replaceRange('curly.', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    helpers.doKeys('a');
    cm.replaceRange('moe.', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('@', 'a');
    // At this point, the most recent edit should be the 2nd insert change
    // inside the macro, i.e. "curly.".
    helpers.doKeys('.');
    eq('larry.curly.moe.larry.curly.curly.', cm.getValue());
  },
  { value: '' },
);
testVim(
  'macro_space',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('<Space>', '<Space>');
    helpers.assertCursorAt(0, 2);
    helpers.doKeys('q', 'a', '<Space>', '<Space>', 'q');
    helpers.assertCursorAt(0, 4);
    helpers.doKeys('@', 'a');
    helpers.assertCursorAt(0, 6);
    helpers.doKeys('@', 'a');
    helpers.assertCursorAt(0, 8);
  },
  { value: 'one line of text.' },
);
testVim(
  'macro_t_search',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', 't', 'e', 'q');
    helpers.assertCursorAt(0, 1);
    helpers.doKeys('l', '@', 'a');
    helpers.assertCursorAt(0, 6);
    helpers.doKeys('l', ';');
    helpers.assertCursorAt(0, 12);
  },
  { value: 'one line of text.' },
);
testVim(
  'macro_f_search',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'b', 'f', 'e', 'q');
    helpers.assertCursorAt(0, 2);
    helpers.doKeys('@', 'b');
    helpers.assertCursorAt(0, 7);
    helpers.doKeys(';');
    helpers.assertCursorAt(0, 13);
  },
  { value: 'one line of text.' },
);
testVim(
  'macro_slash_search',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'c');
    cm.openDialog = helpers.fakeOpenDialog('e');
    helpers.doKeys('/', 'q');
    helpers.assertCursorAt(0, 2);
    helpers.doKeys('@', 'c');
    helpers.assertCursorAt(0, 7);
    helpers.doKeys('n');
    helpers.assertCursorAt(0, 13);
  },
  { value: 'one line of text.' },
);
testVim(
  'macro_multislash_search',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'd');
    cm.openDialog = helpers.fakeOpenDialog('e');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('t');
    helpers.doKeys('/', 'q');
    helpers.assertCursorAt(0, 12);
    helpers.doKeys('@', 'd');
    helpers.assertCursorAt(0, 15);
  },
  { value: 'one line of text to rule them all.' },
);
testVim(
  'macro_last_ex_command_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('s/a/b');
    helpers.doKeys('2', '@', ':');
    eq('bbbaa', cm.getValue());
    helpers.assertCursorAt(0, 2);
  },
  { value: 'aaaaa' },
);
testVim(
  'macro_parens',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'z', 'i');
    cm.replaceRange('(', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('e', 'a');
    cm.replaceRange(')', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    helpers.doKeys('w', '@', 'z');
    helpers.doKeys('w', '@', 'z');
    eq('(see) (spot) (run)', cm.getValue());
  },
  { value: 'see spot run' },
);
testVim(
  'macro_overwrite',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'z', '0', 'i');
    cm.replaceRange('I ', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    helpers.doKeys('e');
    // Now replace the macro with something else.
    helpers.doKeys('q', 'z', 'a');
    cm.replaceRange('.', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    helpers.doKeys('e', '@', 'z');
    helpers.doKeys('e', '@', 'z');
    eq('I see. spot. run.', cm.getValue());
  },
  { value: 'see spot run' },
);
testVim(
  'macro_search_f',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', 'f', ' ');
    helpers.assertCursorAt(0, 3);
    helpers.doKeys('q', '0');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('@', 'a');
    helpers.assertCursorAt(0, 3);
  },
  { value: 'The quick brown fox jumped over the lazy dog.' },
);
testVim(
  'macro_search_2f',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', '2', 'f', ' ');
    helpers.assertCursorAt(0, 9);
    helpers.doKeys('q', '0');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys('@', 'a');
    helpers.assertCursorAt(0, 9);
  },
  { value: 'The quick brown fox jumped over the lazy dog.' },
);
testVim(
  'macro_yank_tick',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    // Start recording a macro into the \' register.
    helpers.doKeys('q', "'");
    helpers.doKeys('y', '<Right>', '<Right>', '<Right>', '<Right>', 'p');
    helpers.assertCursorAt(0, 4);
    eq('the tex parrot', cm.getValue());
  },
  { value: 'the ex parrot' },
);
testVim(
  'yank_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'y');
    helpers.doKeys('j', '"', 'b', 'y', 'y');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+foo/.test(text));
      is(/b\s+bar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'yank_visual_block',
  function(cm, vim, helpers) {
    cm.setCursor(0, 1);
    helpers.doKeys('<C-v>', 'l', 'j', '"', 'a', 'y');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+oo\nar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'yank_append_line_to_line_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'y');
    helpers.doKeys('j', '"', 'A', 'y', 'y');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+foo\nbar/.test(text));
      is(/"\s+foo\nbar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'yank_append_word_to_word_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'w');
    helpers.doKeys('j', '"', 'A', 'y', 'w');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+foobar/.test(text));
      is(/"\s+foobar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'yank_append_line_to_word_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'w');
    helpers.doKeys('j', '"', 'A', 'y', 'y');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+foo\nbar/.test(text));
      is(/"\s+foo\nbar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'yank_append_word_to_line_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('"', 'a', 'y', 'y');
    helpers.doKeys('j', '"', 'A', 'y', 'w');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+foo\nbar/.test(text));
      is(/"\s+foo\nbar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: 'foo\nbar' },
);
testVim(
  'macro_register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('q', 'a', 'i');
    cm.replaceRange('gangnam', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    helpers.doKeys('q', 'b', 'o');
    cm.replaceRange('style', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('q');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/a\s+i/.test(text));
      is(/b\s+o/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: '' },
);
testVim(
  '._register',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('i');
    cm.replaceRange('foo', cm.getCursor());
    helpers.doKeys('<Esc>');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/\.\s+foo/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: '' },
);
testVim(
  ':_register',
  function(cm, vim, helpers) {
    helpers.doEx('bar');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/:\s+bar/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: '' },
);
testVim(
  'search_register_escape',
  function(cm, vim, helpers) {
    // Check that the register is restored if the user escapes rather than confirms.
    cm.openDialog = helpers.fakeOpenDialog('waldo');
    helpers.doKeys('/');
    var onKeyDown;
    var onKeyUp;
    var KEYCODES = {
      f: 70,
      o: 79,
      Esc: 27,
    };
    cm.openDialog = function(template, callback, options) {
      onKeyDown = options.onKeyDown;
      onKeyUp = options.onKeyUp;
    };
    var close = function() {};
    helpers.doKeys('/');
    // Fake some keyboard events coming in.
    onKeyDown({ keyCode: KEYCODES.f }, '', close);
    onKeyUp({ keyCode: KEYCODES.f }, '', close);
    onKeyDown({ keyCode: KEYCODES.o }, 'f', close);
    onKeyUp({ keyCode: KEYCODES.o }, 'f', close);
    onKeyDown({ keyCode: KEYCODES.o }, 'fo', close);
    onKeyUp({ keyCode: KEYCODES.o }, 'fo', close);
    onKeyDown({ keyCode: KEYCODES.Esc }, 'foo', close);
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/waldo/.test(text));
      is(!/foo/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: '' },
);
testVim(
  'search_register',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('foo');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('registers');
    cm.openNotification = helpers.fakeOpenNotification(function(text) {
      is(/\/\s+foo/.test(text));
    });
    helpers.doKeys(':');
  },
  { value: '' },
);
testVim(
  'search_history',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('this');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('checks');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('search');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('history');
    helpers.doKeys('/');
    cm.openDialog = helpers.fakeOpenDialog('checks');
    helpers.doKeys('/');
    var onKeyDown;
    var onKeyUp;
    var query = '';
    var keyCodes = {
      Up: 38,
      Down: 40,
    };
    cm.openDialog = function(template, callback, options) {
      onKeyUp = options.onKeyUp;
      onKeyDown = options.onKeyDown;
    };
    var close = function(newVal) {
      if (typeof newVal == 'string') query = newVal;
    };
    helpers.doKeys('/');
    onKeyDown({ keyCode: keyCodes.Up }, query, close);
    onKeyUp({ keyCode: keyCodes.Up }, query, close);
    eq(query, 'checks');
    onKeyDown({ keyCode: keyCodes.Up }, query, close);
    onKeyUp({ keyCode: keyCodes.Up }, query, close);
    eq(query, 'history');
    onKeyDown({ keyCode: keyCodes.Up }, query, close);
    onKeyUp({ keyCode: keyCodes.Up }, query, close);
    eq(query, 'search');
    onKeyDown({ keyCode: keyCodes.Up }, query, close);
    onKeyUp({ keyCode: keyCodes.Up }, query, close);
    eq(query, 'this');
    onKeyDown({ keyCode: keyCodes.Down }, query, close);
    onKeyUp({ keyCode: keyCodes.Down }, query, close);
    eq(query, 'search');
  },
  { value: '' },
);
testVim(
  'exCommand_history',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('registers');
    helpers.doKeys(':');
    cm.openDialog = helpers.fakeOpenDialog('sort');
    helpers.doKeys(':');
    cm.openDialog = helpers.fakeOpenDialog('map');
    helpers.doKeys(':');
    cm.openDialog = helpers.fakeOpenDialog('invalid');
    helpers.doKeys(':');
    var onKeyDown;
    var onKeyUp;
    var input = '';
    var keyCodes = {
      Up: 38,
      Down: 40,
      s: 115,
    };
    cm.openDialog = function(template, callback, options) {
      onKeyUp = options.onKeyUp;
      onKeyDown = options.onKeyDown;
    };
    var close = function(newVal) {
      if (typeof newVal == 'string') input = newVal;
    };
    helpers.doKeys(':');
    onKeyDown({ keyCode: keyCodes.Up }, input, close);
    eq(input, 'invalid');
    onKeyDown({ keyCode: keyCodes.Up }, input, close);
    eq(input, 'map');
    onKeyDown({ keyCode: keyCodes.Up }, input, close);
    eq(input, 'sort');
    onKeyDown({ keyCode: keyCodes.Up }, input, close);
    eq(input, 'registers');
    onKeyDown({ keyCode: keyCodes.s }, '', close);
    input = 's';
    onKeyDown({ keyCode: keyCodes.Up }, input, close);
    eq(input, 'sort');
  },
  { value: '' },
);
testVim('search_clear', function(cm, vim, helpers) {
  var onKeyDown;
  var input = '';
  var keyCodes = {
    Ctrl: 17,
    u: 85,
  };
  cm.openDialog = function(template, callback, options) {
    onKeyDown = options.onKeyDown;
  };
  var close = function(newVal) {
    if (typeof newVal == 'string') input = newVal;
  };
  helpers.doKeys('/');
  input = 'foo';
  onKeyDown({ keyCode: keyCodes.Ctrl }, input, close);
  onKeyDown({ keyCode: keyCodes.u, ctrlKey: true }, input, close);
  eq(input, '');
});
testVim('exCommand_clear', function(cm, vim, helpers) {
  var onKeyDown;
  var input = '';
  var keyCodes = {
    Ctrl: 17,
    u: 85,
  };
  cm.openDialog = function(template, callback, options) {
    onKeyDown = options.onKeyDown;
  };
  var close = function(newVal) {
    if (typeof newVal == 'string') input = newVal;
  };
  helpers.doKeys(':');
  input = 'foo';
  onKeyDown({ keyCode: keyCodes.Ctrl }, input, close);
  onKeyDown({ keyCode: keyCodes.u, ctrlKey: true }, input, close);
  eq(input, '');
});
testVim(
  '.',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('2', 'd', 'w');
    helpers.doKeys('.');
    eq('5 6', cm.getValue());
  },
  { value: '1 2 3 4 5 6' },
);
testVim(
  '._repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('2', 'd', 'w');
    helpers.doKeys('3', '.');
    eq('6', cm.getValue());
  },
  { value: '1 2 3 4 5 6' },
);
testVim(
  '._insert',
  function(cm, vim, helpers) {
    helpers.doKeys('i');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    helpers.doKeys('.');
    eq('testestt', cm.getValue());
    helpers.assertCursorAt(0, 6);
    helpers.doKeys('O');
    cm.replaceRange('xyz', cm.getCursor());
    helpers.doInsertModeKeys('Backspace');
    helpers.doInsertModeKeys('Down');
    helpers.doKeys('<Esc>');
    helpers.doKeys('.');
    eq('xy\nxy\ntestestt', cm.getValue());
    helpers.assertCursorAt(1, 1);
  },
  { value: '' },
);
testVim(
  '._insert_repeat',
  function(cm, vim, helpers) {
    helpers.doKeys('i');
    cm.replaceRange('test', cm.getCursor());
    cm.setCursor(0, 4);
    helpers.doKeys('<Esc>');
    helpers.doKeys('2', '.');
    eq('testesttestt', cm.getValue());
    helpers.assertCursorAt(0, 10);
  },
  { value: '' },
);
testVim(
  '._repeat_insert',
  function(cm, vim, helpers) {
    helpers.doKeys('3', 'i');
    cm.replaceRange('te', cm.getCursor());
    cm.setCursor(0, 2);
    helpers.doKeys('<Esc>');
    helpers.doKeys('.');
    eq('tetettetetee', cm.getValue());
    helpers.assertCursorAt(0, 10);
  },
  { value: '' },
);
testVim(
  '._insert_o',
  function(cm, vim, helpers) {
    helpers.doKeys('o');
    cm.replaceRange('z', cm.getCursor());
    cm.setCursor(1, 1);
    helpers.doKeys('<Esc>');
    helpers.doKeys('.');
    eq('\nz\nz', cm.getValue());
    helpers.assertCursorAt(2, 0);
  },
  { value: '' },
);
testVim(
  '._insert_o_repeat',
  function(cm, vim, helpers) {
    helpers.doKeys('o');
    cm.replaceRange('z', cm.getCursor());
    helpers.doKeys('<Esc>');
    cm.setCursor(1, 0);
    helpers.doKeys('2', '.');
    eq('\nz\nz\nz', cm.getValue());
    helpers.assertCursorAt(3, 0);
  },
  { value: '' },
);
testVim(
  '._insert_o_indent',
  function(cm, vim, helpers) {
    helpers.doKeys('o');
    cm.replaceRange('z', cm.getCursor());
    helpers.doKeys('<Esc>');
    cm.setCursor(1, 2);
    helpers.doKeys('.');
    eq('{\n  z\n  z', cm.getValue());
    helpers.assertCursorAt(2, 2);
  },
  { value: '{' },
);
testVim(
  '._insert_cw',
  function(cm, vim, helpers) {
    helpers.doKeys('c', 'w');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    cm.setCursor(0, 3);
    helpers.doKeys('2', 'l');
    helpers.doKeys('.');
    eq('test test word3', cm.getValue());
    helpers.assertCursorAt(0, 8);
  },
  { value: 'word1 word2 word3' },
);
testVim(
  '._insert_cw_repeat',
  function(cm, vim, helpers) {
    // For some reason, repeat cw in desktop VIM will does not repeat insert mode
    // changes. Will conform to that behavior.
    helpers.doKeys('c', 'w');
    cm.replaceRange('test', cm.getCursor());
    helpers.doKeys('<Esc>');
    cm.setCursor(0, 4);
    helpers.doKeys('l');
    helpers.doKeys('2', '.');
    eq('test test', cm.getValue());
    helpers.assertCursorAt(0, 8);
  },
  { value: 'word1 word2 word3' },
);
testVim(
  '._delete',
  function(cm, vim, helpers) {
    cm.setCursor(0, 5);
    helpers.doKeys('i');
    helpers.doInsertModeKeys('Backspace');
    helpers.doKeys('<Esc>');
    helpers.doKeys('.');
    eq('zace', cm.getValue());
    helpers.assertCursorAt(0, 1);
  },
  { value: 'zabcde' },
);
testVim(
  '._delete_repeat',
  function(cm, vim, helpers) {
    cm.setCursor(0, 6);
    helpers.doKeys('i');
    helpers.doInsertModeKeys('Backspace');
    helpers.doKeys('<Esc>');
    helpers.doKeys('2', '.');
    eq('zzce', cm.getValue());
    helpers.assertCursorAt(0, 1);
  },
  { value: 'zzabcde' },
);
testVim(
  '._visual_>',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('V', 'j', '>');
    cm.setCursor(2, 0);
    helpers.doKeys('.');
    eq('  1\n  2\n  3\n  4', cm.getValue());
    helpers.assertCursorAt(2, 2);
  },
  { value: '1\n2\n3\n4' },
);
testVim(
  '._replace_repeat',
  function(cm, vim, helpers) {
    helpers.doKeys('R');
    cm.replaceRange('123', cm.getCursor(), offsetCursor(cm.getCursor(), 0, 3));
    cm.setCursor(0, 3);
    helpers.doKeys('<Esc>');
    helpers.doKeys('2', '.');
    eq('12123123\nabcdefg', cm.getValue());
    helpers.assertCursorAt(0, 7);
    cm.setCursor(1, 0);
    helpers.doKeys('.');
    eq('12123123\n123123g', cm.getValue());
    helpers.doKeys('l', '"', '.', 'p');
    eq('12123123\n123123g123', cm.getValue());
  },
  { value: 'abcdef\nabcdefg' },
);
testVim(
  'f;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('f', 'x');
    helpers.doKeys(';');
    helpers.doKeys('2', ';');
    eq(9, cm.getCursor().ch);
  },
  { value: '01x3xx678x' },
);
testVim(
  'F;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 8);
    helpers.doKeys('F', 'x');
    helpers.doKeys(';');
    helpers.doKeys('2', ';');
    eq(2, cm.getCursor().ch);
  },
  { value: '01x3xx6x8x' },
);
testVim(
  't;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('t', 'x');
    helpers.doKeys(';');
    helpers.doKeys('2', ';');
    eq(8, cm.getCursor().ch);
  },
  { value: '01x3xx678x' },
);
testVim(
  'T;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('T', 'x');
    helpers.doKeys(';');
    helpers.doKeys('2', ';');
    eq(2, cm.getCursor().ch);
  },
  { value: '0xx3xx678x' },
);
testVim(
  'f,',
  function(cm, vim, helpers) {
    cm.setCursor(0, 6);
    helpers.doKeys('f', 'x');
    helpers.doKeys(',');
    helpers.doKeys('2', ',');
    eq(2, cm.getCursor().ch);
  },
  { value: '01x3xx678x' },
);
testVim(
  'F,',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    helpers.doKeys('F', 'x');
    helpers.doKeys(',');
    helpers.doKeys('2', ',');
    eq(9, cm.getCursor().ch);
  },
  { value: '01x3xx678x' },
);
testVim(
  't,',
  function(cm, vim, helpers) {
    cm.setCursor(0, 6);
    helpers.doKeys('t', 'x');
    helpers.doKeys(',');
    helpers.doKeys('2', ',');
    eq(3, cm.getCursor().ch);
  },
  { value: '01x3xx678x' },
);
testVim(
  'T,',
  function(cm, vim, helpers) {
    cm.setCursor(0, 4);
    helpers.doKeys('T', 'x');
    helpers.doKeys(',');
    helpers.doKeys('2', ',');
    eq(8, cm.getCursor().ch);
  },
  { value: '01x3xx67xx' },
);
testVim(
  'fd,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('f', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('d', ';');
    eq('56789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('d', ',');
    eq('01239', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Fd,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('F', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('d', ';');
    eq('01239', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('d', ',');
    eq('56789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'td,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('t', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('d', ';');
    eq('456789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('d', ',');
    eq('012349', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Td,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('T', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('d', ';');
    eq('012349', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('d', ',');
    eq('456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'fc,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('f', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('c', ';', '<Esc>');
    eq('56789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('c', ',');
    eq('01239', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Fc,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('F', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('c', ';', '<Esc>');
    eq('01239', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('c', ',');
    eq('56789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'tc,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('t', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('c', ';', '<Esc>');
    eq('456789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('c', ',');
    eq('012349', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Tc,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('T', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('c', ';', '<Esc>');
    eq('012349', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('c', ',');
    eq('456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'fy,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('f', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('y', ';', 'P');
    eq('012340123456789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('y', ',', 'P');
    eq('012345678456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Fy,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('F', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('y', ';', 'p');
    eq('012345678945678', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('y', ',', 'P');
    eq('012340123456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'ty,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys('t', '4');
    cm.setCursor(0, 0);
    helpers.doKeys('y', ';', 'P');
    eq('01230123456789', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 9);
    helpers.doKeys('y', ',', 'p');
    eq('01234567895678', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'Ty,;',
  function(cm, vim, helpers) {
    cm.setCursor(0, 9);
    helpers.doKeys('T', '4');
    cm.setCursor(0, 9);
    helpers.doKeys('y', ';', 'p');
    eq('01234567895678', cm.getValue());
    helpers.doKeys('u');
    cm.setCursor(0, 0);
    helpers.doKeys('y', ',', 'P');
    eq('01230123456789', cm.getValue());
  },
  { value: '0123456789' },
);
testVim(
  'HML',
  function(cm, vim, helpers) {
    var lines = 35;
    var textHeight = cm.defaultTextHeight();
    cm.setSize(600, lines * textHeight);
    cm.setCursor(120, 0);
    helpers.doKeys('H');
    helpers.assertCursorAt(86, 2);
    helpers.doKeys('L');
    helpers.assertCursorAt(120, 4);
    helpers.doKeys('M');
    helpers.assertCursorAt(103, 4);
  },
  {
    value: (function() {
      var lines = new Array(100);
      var upper = '  xx\n';
      var lower = '    xx\n';
      upper = lines.join(upper);
      lower = lines.join(lower);
      return upper + lower;
    })(),
  },
);

var zVals = [];
forEach(['zb', 'zz', 'zt', 'z-', 'z.', 'z<CR>'], function(e, idx) {
  var lineNum = 250;
  var lines = 35;
  testVim(
    e,
    function(cm, vim, helpers) {
      var k1 = e[0];
      var k2 = e.substring(1);
      var textHeight = cm.defaultTextHeight();
      cm.setSize(600, lines * textHeight);
      cm.setCursor(lineNum, 0);
      helpers.doKeys(k1, k2);
      zVals[idx] = cm.getScrollInfo().top;
    },
    {
      value: (function() {
        return new Array(500).join('\n');
      })(),
    },
  );
});
testVim(
  'zb_to_bottom',
  function(cm, vim, helpers) {
    var lineNum = 250;
    cm.setSize(600, 35 * cm.defaultTextHeight());
    cm.setCursor(lineNum, 0);
    helpers.doKeys('z', 'b');
    var scrollInfo = cm.getScrollInfo();
    eq(
      scrollInfo.top + scrollInfo.clientHeight,
      cm.charCoords(Pos(lineNum, 0), 'local').bottom,
    );
  },
  {
    value: (function() {
      return new Array(500).join('\n');
    })(),
  },
);
testVim(
  'zt_to_top',
  function(cm, vim, helpers) {
    var lineNum = 250;
    cm.setSize(600, 35 * cm.defaultTextHeight());
    cm.setCursor(lineNum, 0);
    helpers.doKeys('z', 't');
    eq(cm.getScrollInfo().top, cm.charCoords(Pos(lineNum, 0), 'local').top);
  },
  {
    value: (function() {
      return new Array(500).join('\n');
    })(),
  },
);
testVim('zb<zz', function(cm, vim, helpers) {
  eq(zVals[0] < zVals[1], true);
});
testVim('zz<zt', function(cm, vim, helpers) {
  eq(zVals[1] < zVals[2], true);
});
testVim('zb==z-', function(cm, vim, helpers) {
  eq(zVals[0], zVals[3]);
});
testVim('zz==z.', function(cm, vim, helpers) {
  eq(zVals[1], zVals[4]);
});
testVim('zt==z<CR>', function(cm, vim, helpers) {
  eq(zVals[2], zVals[5]);
});

var moveTillCharacterSandbox = 'The quick brown fox \n';
testVim(
  'moveTillCharacter',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    // Search for the 'q'.
    cm.openDialog = helpers.fakeOpenDialog('q');
    helpers.doKeys('/');
    eq(4, cm.getCursor().ch);
    // Jump to just before the first o in the list.
    helpers.doKeys('t');
    helpers.doKeys('o');
    eq('The quick brown fox \n', cm.getValue());
    // Delete that one character.
    helpers.doKeys('d');
    helpers.doKeys('t');
    helpers.doKeys('o');
    eq('The quick bown fox \n', cm.getValue());
    // Delete everything until the next 'o'.
    helpers.doKeys('.');
    eq('The quick box \n', cm.getValue());
    // An unmatched character should have no effect.
    helpers.doKeys('d');
    helpers.doKeys('t');
    helpers.doKeys('q');
    eq('The quick box \n', cm.getValue());
    // Matches should only be possible on single lines.
    helpers.doKeys('d');
    helpers.doKeys('t');
    helpers.doKeys('z');
    eq('The quick box \n', cm.getValue());
    // After all that, the search for 'q' should still be active, so the 'N' command
    // can run it again in reverse. Use that to delete everything back to the 'q'.
    helpers.doKeys('d');
    helpers.doKeys('N');
    eq('The ox \n', cm.getValue());
    eq(4, cm.getCursor().ch);
  },
  { value: moveTillCharacterSandbox },
);
testVim(
  'searchForPipe',
  function(cm, vim, helpers) {
    CodeMirror.Vim.setOption('pcre', false);
    cm.setCursor(0, 0);
    // Search for the '|'.
    cm.openDialog = helpers.fakeOpenDialog('|');
    helpers.doKeys('/');
    eq(4, cm.getCursor().ch);
  },
  { value: 'this|that' },
);

var scrollMotionSandbox =
  '\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n';
testVim(
  'scrollMotion',
  function(cm, vim, helpers) {
    var prevCursor, prevScrollInfo;
    cm.setCursor(0, 0);
    // ctrl-y at the top of the file should have no effect.
    helpers.doKeys('<C-y>');
    eq(0, cm.getCursor().line);
    prevScrollInfo = cm.getScrollInfo();
    helpers.doKeys('<C-e>');
    eq(1, cm.getCursor().line);
    is(prevScrollInfo.top < cm.getScrollInfo().top);
    // Jump to the end of the sandbox.
    cm.setCursor(1000, 0);
    prevCursor = cm.getCursor();
    // ctrl-e at the bottom of the file should have no effect.
    helpers.doKeys('<C-e>');
    eq(prevCursor.line, cm.getCursor().line);
    prevScrollInfo = cm.getScrollInfo();
    helpers.doKeys('<C-y>');
    eq(prevCursor.line - 1, cm.getCursor().line, 'Y');
    is(prevScrollInfo.top > cm.getScrollInfo().top);
  },
  { value: scrollMotionSandbox },
);

var squareBracketMotionSandbox =
  '' +
  '({\n' + //0
  '  ({\n' + //11
  '  /*comment {\n' + //2
  '            */(\n' + //3
  '#else                \n' + //4
  '  /*       )\n' + //5
  '#if        }\n' + //6
  '  )}*/\n' + //7
  ')}\n' + //8
  '{}\n' + //9
  '#else {{\n' + //10
  '{}\n' + //11
  '}\n' + //12
  '{\n' + //13
  '#endif\n' + //14
  '}\n' + //15
  '}\n' + //16
  '#else'; //17
testVim(
  '[[, ]]',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys(']', ']');
    helpers.assertCursorAt(9, 0);
    helpers.doKeys('2', ']', ']');
    helpers.assertCursorAt(13, 0);
    helpers.doKeys(']', ']');
    helpers.assertCursorAt(17, 0);
    helpers.doKeys('[', '[');
    helpers.assertCursorAt(13, 0);
    helpers.doKeys('2', '[', '[');
    helpers.assertCursorAt(9, 0);
    helpers.doKeys('[', '[');
    helpers.assertCursorAt(0, 0);
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[], ][',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doKeys(']', '[');
    helpers.assertCursorAt(12, 0);
    helpers.doKeys('2', ']', '[');
    helpers.assertCursorAt(16, 0);
    helpers.doKeys(']', '[');
    helpers.assertCursorAt(17, 0);
    helpers.doKeys('[', ']');
    helpers.assertCursorAt(16, 0);
    helpers.doKeys('2', '[', ']');
    helpers.assertCursorAt(12, 0);
    helpers.doKeys('[', ']');
    helpers.assertCursorAt(0, 0);
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[{, ]}',
  function(cm, vim, helpers) {
    cm.setCursor(4, 10);
    helpers.doKeys('[', '{');
    helpers.assertCursorAt(2, 12);
    helpers.doKeys('2', '[', '{');
    helpers.assertCursorAt(0, 1);
    cm.setCursor(4, 10);
    helpers.doKeys(']', '}');
    helpers.assertCursorAt(6, 11);
    helpers.doKeys('2', ']', '}');
    helpers.assertCursorAt(8, 1);
    cm.setCursor(0, 1);
    helpers.doKeys(']', '}');
    helpers.assertCursorAt(8, 1);
    helpers.doKeys('[', '{');
    helpers.assertCursorAt(0, 1);
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[(, ])',
  function(cm, vim, helpers) {
    cm.setCursor(4, 10);
    helpers.doKeys('[', '(');
    helpers.assertCursorAt(3, 14);
    helpers.doKeys('2', '[', '(');
    helpers.assertCursorAt(0, 0);
    cm.setCursor(4, 10);
    helpers.doKeys(']', ')');
    helpers.assertCursorAt(5, 11);
    helpers.doKeys('2', ']', ')');
    helpers.assertCursorAt(8, 0);
    helpers.doKeys('[', '(');
    helpers.assertCursorAt(0, 0);
    helpers.doKeys(']', ')');
    helpers.assertCursorAt(8, 0);
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[*, ]*, [/, ]/',
  function(cm, vim, helpers) {
    forEach(['*', '/'], function(key) {
      cm.setCursor(7, 0);
      helpers.doKeys('2', '[', key);
      helpers.assertCursorAt(2, 2);
      helpers.doKeys('2', ']', key);
      helpers.assertCursorAt(7, 5);
    });
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[#, ]#',
  function(cm, vim, helpers) {
    cm.setCursor(10, 3);
    helpers.doKeys('2', '[', '#');
    helpers.assertCursorAt(4, 0);
    helpers.doKeys('5', ']', '#');
    helpers.assertCursorAt(17, 0);
    cm.setCursor(10, 3);
    helpers.doKeys(']', '#');
    helpers.assertCursorAt(14, 0);
  },
  { value: squareBracketMotionSandbox },
);
testVim(
  '[m, ]m, [M, ]M',
  function(cm, vim, helpers) {
    cm.setCursor(11, 0);
    helpers.doKeys('[', 'm');
    helpers.assertCursorAt(10, 7);
    helpers.doKeys('4', '[', 'm');
    helpers.assertCursorAt(1, 3);
    helpers.doKeys('5', ']', 'm');
    helpers.assertCursorAt(11, 0);
    helpers.doKeys('[', 'M');
    helpers.assertCursorAt(9, 1);
    helpers.doKeys('3', ']', 'M');
    helpers.assertCursorAt(15, 0);
    helpers.doKeys('5', '[', 'M');
    helpers.assertCursorAt(7, 3);
  },
  { value: squareBracketMotionSandbox },
);

testVim(
  'i_indent_right',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    var expectedValue = '   word1\nword2\nword3 ';
    helpers.doKeys('i', '<C-t>');
    eq(expectedValue, cm.getValue());
    helpers.assertCursorAt(0, 5);
  },
  { value: ' word1\nword2\nword3 ', indentUnit: 2 },
);
testVim(
  'i_indent_left',
  function(cm, vim, helpers) {
    cm.setCursor(0, 3);
    var expectedValue = ' word1\nword2\nword3 ';
    helpers.doKeys('i', '<C-d>');
    eq(expectedValue, cm.getValue());
    helpers.assertCursorAt(0, 1);
  },
  { value: '   word1\nword2\nword3 ', indentUnit: 2 },
);

// Ex mode tests
testVim(
  'ex_go_to_line',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('4');
    helpers.assertCursorAt(3, 0);
  },
  { value: 'a\nb\nc\nd\ne\n' },
);
testVim(
  'ex_go_to_mark',
  function(cm, vim, helpers) {
    cm.setCursor(3, 0);
    helpers.doKeys('m', 'a');
    cm.setCursor(0, 0);
    helpers.doEx("'a");
    helpers.assertCursorAt(3, 0);
  },
  { value: 'a\nb\nc\nd\ne\n' },
);
testVim(
  'ex_go_to_line_offset',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('+3');
    helpers.assertCursorAt(3, 0);
    helpers.doEx('-1');
    helpers.assertCursorAt(2, 0);
    helpers.doEx('.2');
    helpers.assertCursorAt(4, 0);
    helpers.doEx('.-3');
    helpers.assertCursorAt(1, 0);
  },
  { value: 'a\nb\nc\nd\ne\n' },
);
testVim(
  'ex_go_to_mark_offset',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('m', 'a');
    cm.setCursor(0, 0);
    helpers.doEx("'a1");
    helpers.assertCursorAt(3, 0);
    helpers.doEx("'a-1");
    helpers.assertCursorAt(1, 0);
    helpers.doEx("'a+2");
    helpers.assertCursorAt(4, 0);
  },
  { value: 'a\nb\nc\nd\ne\n' },
);
testVim('ex_write', function(cm, vim, helpers) {
  var tmp = CodeMirror.commands.save;
  var written;
  var actualCm;
  CodeMirror.commands.save = function(cm) {
    written = true;
    actualCm = cm;
  };
  // Test that w, wr, wri ... write all trigger :write.
  var command = 'write';
  for (var i = 1; i < command.length; i++) {
    written = false;
    actualCm = null;
    helpers.doEx(command.substring(0, i));
    eq(written, true);
    eq(actualCm, cm);
  }
  CodeMirror.commands.save = tmp;
});
testVim(
  'ex_sort',
  function(cm, vim, helpers) {
    helpers.doEx('sort');
    eq('Z\na\nb\nc\nd', cm.getValue());
  },
  { value: 'b\nZ\nd\nc\na' },
);
testVim(
  'ex_sort_reverse',
  function(cm, vim, helpers) {
    helpers.doEx('sort!');
    eq('d\nc\nb\na', cm.getValue());
  },
  { value: 'b\nd\nc\na' },
);
testVim(
  'ex_sort_range',
  function(cm, vim, helpers) {
    helpers.doEx('2,3sort');
    eq('b\nc\nd\na', cm.getValue());
  },
  { value: 'b\nd\nc\na' },
);
testVim(
  'ex_sort_oneline',
  function(cm, vim, helpers) {
    helpers.doEx('2sort');
    // Expect no change.
    eq('b\nd\nc\na', cm.getValue());
  },
  { value: 'b\nd\nc\na' },
);
testVim(
  'ex_sort_ignoreCase',
  function(cm, vim, helpers) {
    helpers.doEx('sort i');
    eq('a\nb\nc\nd\nZ', cm.getValue());
  },
  { value: 'b\nZ\nd\nc\na' },
);
testVim(
  'ex_sort_unique',
  function(cm, vim, helpers) {
    helpers.doEx('sort u');
    eq('Z\na\nb\nc\nd', cm.getValue());
  },
  { value: 'b\nZ\na\na\nd\na\nc\na' },
);
testVim(
  'ex_sort_decimal',
  function(cm, vim, helpers) {
    helpers.doEx('sort d');
    eq('d3\n s5\n6\n.9', cm.getValue());
  },
  { value: '6\nd3\n s5\n.9' },
);
testVim(
  'ex_sort_decimal_negative',
  function(cm, vim, helpers) {
    helpers.doEx('sort d');
    eq('z-9\nd3\n s5\n6\n.9', cm.getValue());
  },
  { value: '6\nd3\n s5\n.9\nz-9' },
);
testVim(
  'ex_sort_decimal_reverse',
  function(cm, vim, helpers) {
    helpers.doEx('sort! d');
    eq('.9\n6\n s5\nd3', cm.getValue());
  },
  { value: '6\nd3\n s5\n.9' },
);
testVim(
  'ex_sort_hex',
  function(cm, vim, helpers) {
    helpers.doEx('sort x');
    eq(' s5\n6\n.9\n&0xB\nd3', cm.getValue());
  },
  { value: '6\nd3\n s5\n&0xB\n.9' },
);
testVim(
  'ex_sort_octal',
  function(cm, vim, helpers) {
    helpers.doEx('sort o');
    eq('.9\n.8\nd3\n s5\n6', cm.getValue());
  },
  { value: '6\nd3\n s5\n.9\n.8' },
);
testVim(
  'ex_sort_decimal_mixed',
  function(cm, vim, helpers) {
    helpers.doEx('sort d');
    eq('z\ny\nc1\nb2\na3', cm.getValue());
  },
  { value: 'a3\nz\nc1\ny\nb2' },
);
testVim(
  'ex_sort_decimal_mixed_reverse',
  function(cm, vim, helpers) {
    helpers.doEx('sort! d');
    eq('a3\nb2\nc1\nz\ny', cm.getValue());
  },
  { value: 'a3\nz\nc1\ny\nb2' },
);
testVim(
  'ex_sort_pattern_alpha',
  function(cm, vim, helpers) {
    helpers.doEx('sort /[a-z]/');
    eq('a3\nb2\nc1\ny\nz', cm.getValue());
  },
  { value: 'z\ny\nc1\nb2\na3' },
);
testVim(
  'ex_sort_pattern_alpha_reverse',
  function(cm, vim, helpers) {
    helpers.doEx('sort! /[a-z]/');
    eq('z\ny\nc1\nb2\na3', cm.getValue());
  },
  { value: 'z\ny\nc1\nb2\na3' },
);
testVim(
  'ex_sort_pattern_alpha_ignoreCase',
  function(cm, vim, helpers) {
    helpers.doEx('sort i/[a-z]/');
    eq('a3\nb2\nC1\nY\nz', cm.getValue());
  },
  { value: 'z\nY\nC1\nb2\na3' },
);
testVim(
  'ex_sort_pattern_alpha_longer',
  function(cm, vim, helpers) {
    helpers.doEx('sort /[a-z]+/');
    eq(
      'a\naa\nab\nade\nadele\nadelle\nadriana\nalex\nalexandra\nb\nc\ny\nz',
      cm.getValue(),
    );
  },
  {
    value:
      'z\nab\naa\nade\nadelle\nalexandra\nalex\nadriana\nadele\ny\nc\nb\na',
  },
);
testVim(
  'ex_sort_pattern_alpha_only',
  function(cm, vim, helpers) {
    helpers.doEx('sort /^[a-z]$/');
    eq('z1\ny2\na3\nb\nc', cm.getValue());
  },
  { value: 'z1\ny2\na3\nc\nb' },
);
testVim(
  'ex_sort_pattern_alpha_only_reverse',
  function(cm, vim, helpers) {
    helpers.doEx('sort! /^[a-z]$/');
    eq('c\nb\nz1\ny2\na3', cm.getValue());
  },
  { value: 'z1\ny2\na3\nc\nb' },
);
testVim(
  'ex_sort_pattern_alpha_num',
  function(cm, vim, helpers) {
    helpers.doEx('sort /[a-z][0-9]/');
    eq('c\nb\na3\ny2\nz1', cm.getValue());
  },
  { value: 'z1\ny2\na3\nc\nb' },
);
// test for :global command
testVim(
  'ex_global',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('g/one/s//two');
    eq('two two\n two two\n two two', cm.getValue());
    helpers.doEx('1,2g/two/s//one');
    eq('one one\n one one\n two two', cm.getValue());
  },
  { value: 'one one\n one one\n one one' },
);
testVim(
  'ex_global_confirm',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    var onKeyDown;
    var openDialogSave = cm.openDialog;
    var KEYCODES = {
      a: 65,
      n: 78,
      q: 81,
      y: 89,
    };
    // Intercept the ex command, 'global'
    cm.openDialog = function(template, callback, options) {
      // Intercept the prompt for the embedded ex command, 'substitute'
      cm.openDialog = function(template, callback, options) {
        onKeyDown = options.onKeyDown;
      };
      callback('g/one/s//two/gc');
    };
    helpers.doKeys(':');
    var close = function() {};
    onKeyDown({ keyCode: KEYCODES.n }, '', close);
    onKeyDown({ keyCode: KEYCODES.y }, '', close);
    onKeyDown({ keyCode: KEYCODES.a }, '', close);
    onKeyDown({ keyCode: KEYCODES.q }, '', close);
    onKeyDown({ keyCode: KEYCODES.y }, '', close);
    eq('one two\n two two\n one one\n two one\n one one', cm.getValue());
  },
  { value: 'one one\n one one\n one one\n one one\n one one' },
);
// Basic substitute tests.
testVim(
  'ex_substitute_same_line',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doEx('s/one/two/g');
    eq('one one\n two two', cm.getValue());
  },
  { value: 'one one\n one one' },
);
testVim(
  'ex_substitute_full_file',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doEx('%s/one/two/g');
    eq('two two\n two two', cm.getValue());
  },
  { value: 'one one\n one one' },
);
testVim(
  'ex_substitute_input_range',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doEx('1,3s/\\d/0/g');
    eq('0\n0\n0\n4', cm.getValue());
  },
  { value: '1\n2\n3\n4' },
);
testVim(
  'ex_substitute_range_current_to_input',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    helpers.doEx('.,3s/\\d/0/g');
    eq('1\n0\n0\n4', cm.getValue());
  },
  { value: '1\n2\n3\n4' },
);
testVim(
  'ex_substitute_range_input_to_current',
  function(cm, vim, helpers) {
    cm.setCursor(3, 0);
    helpers.doEx('2,.s/\\d/0/g');
    eq('1\n0\n0\n0\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_range_offset',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doEx('-1,+1s/\\d/0/g');
    eq('1\n0\n0\n0\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_range_implicit_offset',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('.1,.3s/\\d/0/g');
    eq('1\n0\n0\n0\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_to_eof',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doEx('.,$s/\\d/0/g');
    eq('1\n2\n0\n0\n0', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_to_relative_eof',
  function(cm, vim, helpers) {
    cm.setCursor(4, 0);
    helpers.doEx('2,$-2s/\\d/0/g');
    eq('1\n0\n0\n4\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_range_mark',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('ma');
    cm.setCursor(0, 0);
    helpers.doEx(".,'as/\\d/0/g");
    eq('0\n0\n0\n4\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_range_mark_offset',
  function(cm, vim, helpers) {
    cm.setCursor(2, 0);
    helpers.doKeys('ma');
    cm.setCursor(0, 0);
    helpers.doEx("'a-1,'a+1s/\\d/0/g");
    eq('1\n0\n0\n0\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_visual_range',
  function(cm, vim, helpers) {
    cm.setCursor(1, 0);
    // Set last visual mode selection marks '< and '> at lines 2 and 4
    helpers.doKeys('V', '2', 'j', 'v');
    helpers.doEx("'<,'>s/\\d/0/g");
    eq('1\n0\n0\n0\n5', cm.getValue());
  },
  { value: '1\n2\n3\n4\n5' },
);
testVim(
  'ex_substitute_empty_query',
  function(cm, vim, helpers) {
    // If the query is empty, use last query.
    cm.setCursor(1, 0);
    cm.openDialog = helpers.fakeOpenDialog('1');
    helpers.doKeys('/');
    helpers.doEx('s//b/g');
    eq('abb ab2 ab3', cm.getValue());
  },
  { value: 'a11 a12 a13' },
);
testVim(
  'ex_substitute_javascript',
  function(cm, vim, helpers) {
    CodeMirror.Vim.setOption('pcre', false);
    cm.setCursor(1, 0);
    // Throw all the things that javascript likes to treat as special values
    // into the replace part. All should be literal (this is VIM).
    helpers.doEx("s/\\(\\d+\\)/$$ $' $` $& \\1/g");
    eq("a $$ $' $` $& 0 b", cm.getValue());
  },
  { value: 'a 0 b' },
);
testVim(
  'ex_substitute_empty_arguments',
  function(cm, vim, helpers) {
    cm.setCursor(0, 0);
    helpers.doEx('s/a/b/g');
    cm.setCursor(1, 0);
    helpers.doEx('s');
    eq('b b\nb a', cm.getValue());
  },
  { value: 'a a\na a' },
);

// More complex substitute tests that test both pcre and nopcre options.
function testSubstitute(name, options) {
  testVim(
    name + '_pcre',
    function(cm, vim, helpers) {
      cm.setCursor(1, 0);
      CodeMirror.Vim.setOption('pcre', true);
      helpers.doEx(options.expr);
      eq(options.expectedValue, cm.getValue());
    },
    options,
  );
  // If no noPcreExpr is defined, assume that it's the same as the expr.
  var noPcreExpr = options.noPcreExpr ? options.noPcreExpr : options.expr;
  testVim(
    name + '_nopcre',
    function(cm, vim, helpers) {
      cm.setCursor(1, 0);
      CodeMirror.Vim.setOption('pcre', false);
      helpers.doEx(noPcreExpr);
      eq(options.expectedValue, cm.getValue());
    },
    options,
  );
}
testSubstitute('ex_substitute_capture', {
  value: 'a11 a12 a13',
  expectedValue: 'a1111 a1212 a1313',
  // $n is a backreference
  expr: 's/(\\d+)/$1$1/g',
  // \n is a backreference.
  noPcreExpr: 's/\\(\\d+\\)/\\1\\1/g',
});
testSubstitute('ex_substitute_capture2', {
  value: 'a 0 b',
  expectedValue: 'a $00 b',
  expr: 's/(\\d+)/$$$1$1/g',
  noPcreExpr: 's/\\(\\d+\\)/$\\1\\1/g',
});
testSubstitute('ex_substitute_nocapture', {
  value: 'a11 a12 a13',
  expectedValue: 'a$1$1 a$1$1 a$1$1',
  expr: 's/(\\d+)/$$1$$1/g',
  noPcreExpr: 's/\\(\\d+\\)/$1$1/g',
});
testSubstitute('ex_substitute_nocapture2', {
  value: 'a 0 b',
  expectedValue: 'a $10 b',
  expr: 's/(\\d+)/$$1$1/g',
  noPcreExpr: 's/\\(\\d+\\)/\\$1\\1/g',
});
testSubstitute('ex_substitute_nocapture', {
  value: 'a b c',
  expectedValue: 'a $ c',
  expr: 's/b/$$/',
  noPcreExpr: 's/b/$/',
});
testSubstitute('ex_substitute_slash_regex', {
  value: 'one/two \n three/four',
  expectedValue: 'one|two \n three|four',
  expr: '%s/\\//|',
});
testSubstitute('ex_substitute_pipe_regex', {
  value: 'one|two \n three|four',
  expectedValue: 'one,two \n three,four',
  expr: '%s/\\|/,/',
  noPcreExpr: '%s/|/,/',
});
testSubstitute('ex_substitute_or_regex', {
  value: 'one|two \n three|four',
  expectedValue: 'ana|twa \n thraa|faar',
  expr: '%s/o|e|u/a/g',
  noPcreExpr: '%s/o\\|e\\|u/a/g',
});
testSubstitute('ex_substitute_or_word_regex', {
  value: 'one|two \n three|four',
  expectedValue: 'five|five \n three|four',
  expr: '%s/(one|two)/five/g',
  noPcreExpr: '%s/\\(one\\|two\\)/five/g',
});
testSubstitute('ex_substitute_backslashslash_regex', {
  value: 'one\\two \n three\\four',
  expectedValue: 'one,two \n three,four',
  expr: '%s/\\\\/,',
});
testSubstitute('ex_substitute_slash_replacement', {
  value: 'one,two \n three,four',
  expectedValue: 'one/two \n three/four',
  expr: '%s/,/\\/',
});
testSubstitute('ex_substitute_backslash_replacement', {
  value: 'one,two \n three,four',
  expectedValue: 'one\\two \n three\\four',
  expr: '%s/,/\\\\/g',
});
testSubstitute('ex_substitute_multibackslash_replacement', {
  value: 'one,two \n three,four',
  expectedValue: 'one\\\\\\\\two \n three\\\\\\\\four', // 2*8 backslashes.
  expr: '%s/,/\\\\\\\\\\\\\\\\/g',
}); // 16 backslashes.
testSubstitute('ex_substitute_dollar_match', {
  value: 'one,two \n three,four',
  expectedValue: 'one,two ,\n three,four',
  expr: '%s/$/,/g',
});
testSubstitute('ex_substitute_newline_match', {
  value: 'one,two \n three,four',
  expectedValue: 'one,two , three,four',
  expr: '%s/\\n/,/g',
});
testSubstitute('ex_substitute_newline_replacement', {
  value: 'one,two \n three,four',
  expectedValue: 'one\ntwo \n three\nfour',
  expr: '%s/,/\\n/g',
});
testSubstitute('ex_substitute_braces_word', {
  value: 'ababab abb ab{2}',
  expectedValue: 'ab abb ab{2}',
  expr: '%s/(ab){2}//g',
  noPcreExpr: '%s/\\(ab\\)\\{2\\}//g',
});
testSubstitute('ex_substitute_braces_range', {
  value: 'a aa aaa aaaa',
  expectedValue: 'a   a',
  expr: '%s/a{2,3}//g',
  noPcreExpr: '%s/a\\{2,3\\}//g',
});
testSubstitute('ex_substitute_braces_literal', {
  value: 'ababab abb ab{2}',
  expectedValue: 'ababab abb ',
  expr: '%s/ab\\{2\\}//g',
  noPcreExpr: '%s/ab{2}//g',
});
testSubstitute('ex_substitute_braces_char', {
  value: 'ababab abb ab{2}',
  expectedValue: 'ababab  ab{2}',
  expr: '%s/ab{2}//g',
  noPcreExpr: '%s/ab\\{2\\}//g',
});
testSubstitute('ex_substitute_braces_no_escape', {
  value: 'ababab abb ab{2}',
  expectedValue: 'ababab  ab{2}',
  expr: '%s/ab{2}//g',
  noPcreExpr: '%s/ab\\{2}//g',
});
testSubstitute('ex_substitute_count', {
  value: '1\n2\n3\n4',
  expectedValue: '1\n0\n0\n4',
  expr: 's/\\d/0/i 2',
});
testSubstitute('ex_substitute_count_with_range', {
  value: '1\n2\n3\n4',
  expectedValue: '1\n2\n0\n0',
  expr: '1,3s/\\d/0/ 3',
});
testSubstitute('ex_substitute_not_global', {
  value: 'aaa\nbaa\ncaa',
  expectedValue: 'xaa\nbxa\ncxa',
  expr: '%s/a/x/',
});
function testSubstituteConfirm(
  name,
  command,
  initialValue,
  expectedValue,
  keys,
  finalPos,
) {
  testVim(
    name,
    function(cm, vim, helpers) {
      var savedOpenDialog = cm.openDialog;
      var savedKeyName = CodeMirror.keyName;
      var onKeyDown;
      var recordedCallback;
      var closed = true; // Start out closed, set false on second openDialog.
      function close() {
        closed = true;
      }
      // First openDialog should save callback.
      cm.openDialog = function(template, callback, options) {
        recordedCallback = callback;
      };
      // Do first openDialog.
      helpers.doKeys(':');
      // Second openDialog should save keyDown handler.
      cm.openDialog = function(template, callback, options) {
        onKeyDown = options.onKeyDown;
        closed = false;
      };
      // Return the command to Vim and trigger second openDialog.
      recordedCallback(command);
      // The event should really use keyCode, but here just mock it out and use
      // key and replace keyName to just return key.
      CodeMirror.keyName = function(e) {
        return e.key;
      };
      keys = keys.toUpperCase();
      for (var i = 0; i < keys.length; i++) {
        is(!closed);
        onKeyDown({ key: keys.charAt(i) }, '', close);
      }
      try {
        eq(expectedValue, cm.getValue());
        helpers.assertCursorAt(finalPos);
        is(closed);
      } catch (e) {
        throw e;
      } finally {
        // Restore overridden functions.
        CodeMirror.keyName = savedKeyName;
        cm.openDialog = savedOpenDialog;
      }
    },
    { value: initialValue },
  );
}
testSubstituteConfirm(
  'ex_substitute_confirm_emptydoc',
  '%s/x/b/c',
  '',
  '',
  '',
  makeCursor(0, 0),
);
testSubstituteConfirm(
  'ex_substitute_confirm_nomatch',
  '%s/x/b/c',
  'ba a\nbab',
  'ba a\nbab',
  '',
  makeCursor(0, 0),
);
testSubstituteConfirm(
  'ex_substitute_confirm_accept',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb b\nbbb',
  'yyy',
  makeCursor(1, 1),
);
testSubstituteConfirm(
  'ex_substitute_confirm_random_keys',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb b\nbbb',
  'ysdkywerty',
  makeCursor(1, 1),
);
testSubstituteConfirm(
  'ex_substitute_confirm_some',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb a\nbbb',
  'yny',
  makeCursor(1, 1),
);
testSubstituteConfirm(
  'ex_substitute_confirm_all',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb b\nbbb',
  'a',
  makeCursor(1, 1),
);
testSubstituteConfirm(
  'ex_substitute_confirm_accept_then_all',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb b\nbbb',
  'ya',
  makeCursor(1, 1),
);
testSubstituteConfirm(
  'ex_substitute_confirm_quit',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb a\nbab',
  'yq',
  makeCursor(0, 3),
);
testSubstituteConfirm(
  'ex_substitute_confirm_last',
  '%s/a/b/cg',
  'ba a\nbab',
  'bb b\nbab',
  'yl',
  makeCursor(0, 3),
);
testSubstituteConfirm(
  'ex_substitute_confirm_oneline',
  '1s/a/b/cg',
  'ba a\nbab',
  'bb b\nbab',
  'yl',
  makeCursor(0, 3),
);
testSubstituteConfirm(
  'ex_substitute_confirm_range_accept',
  '1,2s/a/b/cg',
  'aa\na \na\na',
  'bb\nb \na\na',
  'yyy',
  makeCursor(1, 0),
);
testSubstituteConfirm(
  'ex_substitute_confirm_range_some',
  '1,3s/a/b/cg',
  'aa\na \na\na',
  'ba\nb \nb\na',
  'ynyy',
  makeCursor(2, 0),
);
testSubstituteConfirm(
  'ex_substitute_confirm_range_all',
  '1,3s/a/b/cg',
  'aa\na \na\na',
  'bb\nb \nb\na',
  'a',
  makeCursor(2, 0),
);
testSubstituteConfirm(
  'ex_substitute_confirm_range_last',
  '1,3s/a/b/cg',
  'aa\na \na\na',
  'bb\nb \na\na',
  'yyl',
  makeCursor(1, 0),
);
//:noh should clear highlighting of search-results but allow to resume search through n
testVim(
  'ex_noh_clearSearchHighlight',
  function(cm, vim, helpers) {
    cm.openDialog = helpers.fakeOpenDialog('match');
    helpers.doKeys('?');
    helpers.doEx('noh');
    eq(
      vim.searchState_.getOverlay(),
      null,
      "match-highlighting wasn't cleared",
    );
    helpers.doKeys('n');
    helpers.assertCursorAt(
      0,
      11,
      "can't resume search after clearing highlighting",
    );
  },
  { value: 'match nope match \n nope Match' },
);
testVim('ex_yank', function(cm, vim, helpers) {
  var curStart = makeCursor(3, 0);
  cm.setCursor(curStart);
  helpers.doEx('y');
  var register = helpers.getRegisterController().getRegister();
  var line = cm.getLine(3);
  eq(line + '\n', register.toString());
});
testVim('set_boolean', function(cm, vim, helpers) {
  CodeMirror.Vim.defineOption('testoption', true, 'boolean');
  // Test default value is set.
  is(CodeMirror.Vim.getOption('testoption'));
  try {
    // Test fail to set to non-boolean
    CodeMirror.Vim.setOption('testoption', '5');
    fail();
  } catch (expected) {}
  // Test setOption
  CodeMirror.Vim.setOption('testoption', false);
  is(!CodeMirror.Vim.getOption('testoption'));
});
testVim('ex_set_boolean', function(cm, vim, helpers) {
  CodeMirror.Vim.defineOption('testoption', true, 'boolean');
  // Test default value is set.
  is(CodeMirror.Vim.getOption('testoption'));
  try {
    // Test fail to set to non-boolean
    helpers.doEx('set testoption=22');
    fail();
  } catch (expected) {}
  // Test setOption
  helpers.doEx('set notestoption');
  is(!CodeMirror.Vim.getOption('testoption'));
});
testVim('set_string', function(cm, vim, helpers) {
  CodeMirror.Vim.defineOption('testoption', 'a', 'string');
  // Test default value is set.
  eq('a', CodeMirror.Vim.getOption('testoption'));
  try {
    // Test fail to set non-string.
    CodeMirror.Vim.setOption('testoption', true);
    fail();
  } catch (expected) {}
  try {
    // Test fail to set 'notestoption'
    CodeMirror.Vim.setOption('notestoption', 'b');
    fail();
  } catch (expected) {}
  // Test setOption
  CodeMirror.Vim.setOption('testoption', 'c');
  eq('c', CodeMirror.Vim.getOption('testoption'));
});
testVim('ex_set_string', function(cm, vim, helpers) {
  CodeMirror.Vim.defineOption('testopt', 'a', 'string');
  // Test default value is set.
  eq('a', CodeMirror.Vim.getOption('testopt'));
  try {
    // Test fail to set 'notestopt'
    helpers.doEx('set notestopt=b');
    fail();
  } catch (expected) {}
  // Test setOption
  helpers.doEx('set testopt=c');
  eq('c', CodeMirror.Vim.getOption('testopt'));
  helpers.doEx('set testopt=c');
  eq('c', CodeMirror.Vim.getOption('testopt', cm)); //local || global
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' })); // local
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' })); // global
  eq('c', CodeMirror.Vim.getOption('testopt')); // global
  // Test setOption global
  helpers.doEx('setg testopt=d');
  eq('c', CodeMirror.Vim.getOption('testopt', cm));
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' }));
  eq('d', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' }));
  eq('d', CodeMirror.Vim.getOption('testopt'));
  // Test setOption local
  helpers.doEx('setl testopt=e');
  eq('e', CodeMirror.Vim.getOption('testopt', cm));
  eq('e', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' }));
  eq('d', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' }));
  eq('d', CodeMirror.Vim.getOption('testopt'));
});
testVim('ex_set_callback', function(cm, vim, helpers) {
  var global;

  function cb(val, cm, cfg) {
    if (val === undefined) {
      // Getter
      if (cm) {
        return cm._local;
      } else {
        return global;
      }
    } else {
      // Setter
      if (cm) {
        cm._local = val;
      } else {
        global = val;
      }
    }
  }

  CodeMirror.Vim.defineOption('testopt', 'a', 'string', cb);
  // Test default value is set.
  eq('a', CodeMirror.Vim.getOption('testopt'));
  try {
    // Test fail to set 'notestopt'
    helpers.doEx('set notestopt=b');
    fail();
  } catch (expected) {}
  // Test setOption (Identical to the string tests, but via callback instead)
  helpers.doEx('set testopt=c');
  eq('c', CodeMirror.Vim.getOption('testopt', cm)); //local || global
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' })); // local
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' })); // global
  eq('c', CodeMirror.Vim.getOption('testopt')); // global
  // Test setOption global
  helpers.doEx('setg testopt=d');
  eq('c', CodeMirror.Vim.getOption('testopt', cm));
  eq('c', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' }));
  eq('d', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' }));
  eq('d', CodeMirror.Vim.getOption('testopt'));
  // Test setOption local
  helpers.doEx('setl testopt=e');
  eq('e', CodeMirror.Vim.getOption('testopt', cm));
  eq('e', CodeMirror.Vim.getOption('testopt', cm, { scope: 'local' }));
  eq('d', CodeMirror.Vim.getOption('testopt', cm, { scope: 'global' }));
  eq('d', CodeMirror.Vim.getOption('testopt'));
});
testVim('ex_set_filetype', function(cm, vim, helpers) {
  CodeMirror.defineMode('test_mode', function() {
    return {
      token: function(stream) {
        stream.match(/^\s+|^\S+/);
      },
    };
  });
  CodeMirror.defineMode('test_mode_2', function() {
    return {
      token: function(stream) {
        stream.match(/^\s+|^\S+/);
      },
    };
  });
  // Test mode is set.
  helpers.doEx('set filetype=test_mode');
  eq('test_mode', cm.getMode().name);
  // Test 'ft' alias also sets mode.
  helpers.doEx('set ft=test_mode_2');
  eq('test_mode_2', cm.getMode().name);
});
testVim('ex_set_filetype_null', function(cm, vim, helpers) {
  CodeMirror.defineMode('test_mode', function() {
    return {
      token: function(stream) {
        stream.match(/^\s+|^\S+/);
      },
    };
  });
  cm.setOption('mode', 'test_mode');
  // Test mode is set to null.
  helpers.doEx('set filetype=');
  eq('null', cm.getMode().name);
});
// TODO: Reset key maps after each test.
testVim(
  'ex_map_key2key',
  function(cm, vim, helpers) {
    helpers.doEx('map a x');
    helpers.doKeys('a');
    helpers.assertCursorAt(0, 0);
    eq('bc', cm.getValue());
  },
  { value: 'abc' },
);
testVim(
  'ex_unmap_key2key',
  function(cm, vim, helpers) {
    helpers.doEx('unmap a');
    helpers.doKeys('a');
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'abc' },
);
testVim(
  'ex_unmap_key2key_does_not_remove_default',
  function(cm, vim, helpers) {
    try {
      helpers.doEx('unmap a');
      fail();
    } catch (expected) {}
    helpers.doKeys('a');
    eq('vim-insert', cm.getOption('keyMap'));
  },
  { value: 'abc' },
);
testVim('ex_map_key2key_to_colon', function(cm, vim, helpers) {
  helpers.doEx('map ; :');
  var dialogOpened = false;
  cm.openDialog = function() {
    dialogOpened = true;
  };
  helpers.doKeys(';');
  eq(dialogOpened, true);
});
testVim(
  'ex_map_ex2key:',
  function(cm, vim, helpers) {
    helpers.doEx('map :del x');
    helpers.doEx('del');
    helpers.assertCursorAt(0, 0);
    eq('bc', cm.getValue());
  },
  { value: 'abc' },
);
testVim('ex_map_ex2ex', function(cm, vim, helpers) {
  helpers.doEx('map :del :w');
  var tmp = CodeMirror.commands.save;
  var written = false;
  var actualCm;
  CodeMirror.commands.save = function(cm) {
    written = true;
    actualCm = cm;
  };
  helpers.doEx('del');
  CodeMirror.commands.save = tmp;
  eq(written, true);
  eq(actualCm, cm);
});
testVim('ex_map_key2ex', function(cm, vim, helpers) {
  helpers.doEx('map a :w');
  var tmp = CodeMirror.commands.save;
  var written = false;
  var actualCm;
  CodeMirror.commands.save = function(cm) {
    written = true;
    actualCm = cm;
  };
  helpers.doKeys('a');
  CodeMirror.commands.save = tmp;
  eq(written, true);
  eq(actualCm, cm);
});
testVim('ex_map_key2key_visual_api', function(cm, vim, helpers) {
  CodeMirror.Vim.map('b', ':w', 'visual');
  var tmp = CodeMirror.commands.save;
  var written = false;
  var actualCm;
  CodeMirror.commands.save = function(cm) {
    written = true;
    actualCm = cm;
  };
  // Mapping should not work in normal mode.
  helpers.doKeys('b');
  eq(written, false);
  // Mapping should work in visual mode.
  helpers.doKeys('v', 'b');
  eq(written, true);
  eq(actualCm, cm);

  CodeMirror.commands.save = tmp;
});
testVim(
  'ex_imap',
  function(cm, vim, helpers) {
    CodeMirror.Vim.map('jk', '<Esc>', 'insert');
    helpers.doKeys('i');
    is(vim.insertMode);
    helpers.doKeys('j', 'k');
    is(!vim.insertMode);
    cm.setCursor(0, 1);
    CodeMirror.Vim.map('jj', '<Esc>', 'insert');
    helpers.doKeys('<C-v>', '2', 'j', 'l', 'c');
    var replacement = fillArray('fo', 3);
    cm.replaceSelections(replacement);
    eq('1fo4\n5fo8\nafodefg', cm.getValue());
    helpers.doKeys('j', 'j');
    cm.setCursor(0, 0);
    helpers.doKeys('.');
    eq('foo4\nfoo8\nfoodefg', cm.getValue());
  },
  { value: '1234\n5678\nabcdefg' },
);
testVim('ex_unmap_api', function(cm, vim, helpers) {
  CodeMirror.Vim.map('<Alt-X>', 'gg', 'normal');
  is(CodeMirror.Vim.handleKey(cm, '<Alt-X>', 'normal'), 'Alt-X key is mapped');
  CodeMirror.Vim.unmap('<Alt-X>', 'normal');
  is(
    !CodeMirror.Vim.handleKey(cm, '<Alt-X>', 'normal'),
    'Alt-X key is unmapped',
  );
});

// Testing registration of functions as ex-commands and mapping to <Key>-keys
testVim('ex_api_test', function(cm, vim, helpers) {
  var res = false;
  var val = 'from';
  CodeMirror.Vim.defineEx('extest', 'ext', function(cm, params) {
    if (params.args) val = params.args[0];
    else res = true;
  });
  helpers.doEx(':ext to');
  eq(val, 'to', 'Defining ex-command failed');
  CodeMirror.Vim.map('<C-CR><Space>', ':ext');
  helpers.doKeys('<C-CR>', '<Space>');
  is(res, 'Mapping to key failed');
});
// For now, this test needs to be last because it messes up : for future tests.
testVim(
  'ex_map_key2key_from_colon',
  function(cm, vim, helpers) {
    helpers.doEx('map : x');
    helpers.doKeys(':');
    helpers.assertCursorAt(0, 0);
    eq('bc', cm.getValue());
  },
  { value: 'abc' },
);

// Test event handlers
testVim(
  'beforeSelectionChange',
  function(cm, vim, helpers) {
    cm.setCursor(0, 100);
    eqCursorPos(cm.getCursor('head'), cm.getCursor('anchor'));
  },
  { value: 'abc' },
);
